Reaction to products with temperature. What actions should be taken in case of an allergy? Elevated temperature due to hay fever

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Except for everyone known symptoms Allergies are those that "remain in the shadows." They appear in a very limited circle of people, and very rarely, and make you think first of all about some other pathology. Knowing them “by sight” is necessary in order to diagnose allergies in time and stop contact with the substance that causes it. That is why the topic of this article is whether there can be a temperature with allergies?

An allergy is an overreaction of the body to a substance. Symptoms of the disease are formed as a result of a cascade of biochemical reactions that occur as a result of the action of the allergen.

There are three phases of the pathological process:

PhaseCharacteristic
immuneThe body first comes into contact with the allergen, the so-called sensitization occurs - the immune system "remembers" the substance, responding to its introduction with the production of antibodies - IgE.
pathochemicalIt develops when the allergen enters the body again. There are a lot of antibodies, they "stick around" mast cells, which, in turn, burst and release inflammatory mediators. The main one is histamine.
PathophysiologicalThis phase is caused by the effects of that same histamine. And the "dog is buried" is right here. Some of the main properties of this substance:
  • expansion of peripheral ("small") and narrowing of large vessels;
  • increased permeability of the vascular wall;
  • contraction of smooth muscles (including in the bronchi and gastrointestinal tract);
  • increased secretion of mucus in the bronchi, in the nose.

They are realized due to the action of the substance on special cells - receptors located in different bodies. AT this moment the first property is important. The body has several mechanisms for regulating temperature, one of them is the “mobility” of blood vessels. The more they expand, the more heat a person gives off (remember the flushed face of a feverish person). There are exceptions to this rule, possibly malfunctions in the body, but now we are not interested in this.

Histamine has the property of dilating blood vessels. From here local boost temperatures for allergies. However, you need to understand: the “systemic” temperature for allergies in adults in a “normal”, normal, standard situation does not rise. There is not so much mediator released that it acts so intensely.

Causes of a rise in temperature with allergies

The above is true for the "norm", in general case. But then why does the temperature rise with allergies? If the reaction "grows", expands, acquires a systemic character. The organism loses the remnants of control over the situation, a “global” process develops.

There are other special situations that cause a non-standard course of the disease, for example:

  • drug allergy;
  • photodermatosis;
  • serum sickness;
  • less often - food allergies.

Thus, the answer to the question of whether an allergy can give a temperature is positive.

Temperature increase in various allergic diseases

Consider some allergic diseases in details.

For the nasal mucosa, histamine - " worst enemy". It causes swelling, local redness, the appearance of sparse mucous secretions in large quantities, itching.

However, allergic rhinitis alone is never accompanied by hyperthermia. Even if the temperature is 37 ° - a reason to think about the correctness of the diagnosis.

In the case when lacrimation, a feeling of sand in the eyes and other phenomena join the runny nose allergic conjunctivitis temperature increase is more likely.

Most often, rhinitis develops with seasonal exacerbations, for example, hay fever -. However, the type or “period of activity” of the allergen cannot be associated with the risk of fever, they are not related to each other.

Therefore, it does not matter in what season of the year the allergic pathology- whether in spring, at the time of flowering plants, in autumn, when they feel great dust mites and mold fungi, or in winter, in the "reign" of cold allergies. And it is impossible to say that hyperthermia develops more often in summer or, for example, in autumn.

Allergic cough and bronchitis

First, it is worth differentiating these concepts. Under allergic cough we will have in mind reflex attempts to clear the larynx during tickling, tickling, hoarseness. But bronchitis is more deep process affecting the bronchi proper.

In the first case, an allergy develops extremely rarely, there are literally a few such cases. Perspiration and the cough it causes are inherently close to allergic rhinitis and develop as a result of mucosal edema.

But allergic bronchitis with temperature is a slightly more frequent phenomenon. Despite the fact that the presence of hyperthermia accompanying dry barking cough, is a sign of a rather bacterial process or viral nature, there are exceptions.

In favor allergic bronchitis with hyperthermia will indicate shortness of breath and productive cough from the first day of illness (returning to the effects of histamine - bronchial constriction and increased secretion of mucus). It is worth adding that, among other things, this mediator dilates the vessels of the lungs, increases their permeability, which leads to even more severe edema and narrowing of the bronchi. And, of course, required condition- the presence of contact with the allergen.

This disease is a good illustration of the question of whether there can be subfebrile temperature with allergies. Usually, 38° is the limit, if it reaches it at all. By the way, this is another differential sign: with bacterial or viral bronchitis the thermometer can "creep" up to 39.5 ° C.

food allergy

Food allergens are among the least aggressive. In this regard, the development of temperature changes at food allergies unlikely. However, it is possible. Hyperthermia will develop when there is a very strong reaction with the presence of:

  • indomitable repeated vomiting;
  • profuse diarrhea;
  • intense pain in the abdomen;
  • headaches, dizziness.

Usually the mercury column does not rise to high numbers. The maximum is 37.5°.

Allergic dermatitis

Photo: Allergic reaction to cosmetics

Allergic dermatitis and temperatures rarely match. For the development of such a complication, the surface of the lesion must be very extensive.

Most often so serious consequences has a "cosmetic" allergy, in the case when a person did not conduct a preliminary test, but immediately applied the product to a large area of ​​\u200b\u200bthe skin. The risk is especially high when combined sunburn allergic to sunscreen or emollients.

Often the thermometer shows between 37° and 38° when skin manifestations combined with some other - respiratory, ophthalmic, etc. High temperature is an even greater "curiosity". If dermatitis is accompanied by it, you should immediately call a doctor, as a severe generalized reaction may develop.

Photodermatosis

Allergy to the sun itself is difficult to distinguish from a sunburn. But if one is superimposed on the other, or overheating and sunstroke join, life becomes very difficult. Both of these pathologies are unpleasant symptoms, but when they combine, the condition of a person deteriorates significantly. Painting sunstroke is:

  • heat bodies, sometimes patients complain that the temperature jumps, then up to 39 °, then down to 35 °;
  • dizziness;
  • nausea, vomiting;
  • weakness;
  • loss of consciousness;
  • disorientation;

But the symptoms of sun allergy are different:

  • red blister-like rash on exposed skin;
  • itching, peeling of the skin;
  • local redness.

Allergy to insect stings

Bites and stings, to which the body reacts with an excessive immune response, are often accompanied by fever. But it must be said that, as in the previous paragraph, here the temperature accompanies not so much the immune processes themselves, but their combination with the main factor (in this case, the effect of insect venom on the body).

Toxic substances that insects spray into the blood can themselves cause hyperthermia (especially if we are talking about such large representatives as wasps, bees, hornets, gadflies). And in the case of allergies, vascular permeability is increased, respectively, absorption is better.

In addition, the immune system, as it were, is “busy” with allergies and literally does not have time to respond to the poison.


Photo: Allergy to a mosquito bite

The temperature in this case can rise to 38 °, there is a deterioration in the general condition, weakness, often headache. All this is combined with local symptoms:

  • hyperemia (redness) of the bite site is much more intense than in the absence of an allergic reaction;
  • intense itching;
  • the appearance of a rash around the bite;
  • the occurrence of allergy symptoms from other organs and systems.

drug allergy

Allergy like urticaria with fever and rash and swelling - in " pure form» response to medications. The temperature in this case rises to 38-39 °.

Generally speaking, drug allergy is one of the most dangerous and severe diseases. allergic nature. Drugs are introduced into the body in fairly large (compared to the same dust or pollen) doses.

The logical question is why then does not arise severe symptoms with gastrointestinal allergies? But not all substances are not completely absorbed in the intestines, they are partially excreted. In addition, the allergen needs to overcome many more barriers to get into the blood.

And the medicine, especially administered parenterally (bypassing the gastrointestinal tract - intravenously, intramuscularly, intradermally), flows into the bloodstream much faster.

A life-threatening development of events in drug allergy is anaphylactic shock. Therefore, an increase in temperature can even be called a rather favorable symptom.


Photo: Allergy to drugs

In addition to it, there may be:

  • itching, rash at the injection site;
  • weakness, dizziness;
  • sneezing, rhinorrhea, lacrimation;
  • soft tissue swelling.

But this pathology confidently answers “yes” to the question of whether there can be a temperature with allergies, because. hyperthermia is one of its main symptoms.

Before describing the disease, it is worth saying that there are 4 types of allergic reactions. Three of them are immediate and one, the fourth, is delayed. What we used to understand as an allergy (including “popular” symptoms and anaphylaxis) is type 1. Type 2 (which, by the way, includes drug allergies) are cytotoxic reactions that damage cells. The fourth type is delayed reactions, these include the tuberculous process and bronchial asthma.

Serum sickness is an immunocomplex hypersensitivity reaction of the third type. It develops in response to the introduction of vaccines, sera, blood components. Antibodies are produced in large quantities against antigens entering the bloodstream, forming antigen-antibody immune complexes. These formations are deposited in the walls of blood vessels and cause inflammation in them.

Symptoms for all reactions of this type are the same: a week and a half after the allergen enters, first a sharp hypothermia is detected, and then, on the contrary, hyperthermia.

A temperature of 40 ° is a “common occurrence” for this pathology.

Other symptoms include:


Photo: Urticaria as one of the manifestations of serum sickness
  • pain, swelling and redness at the injection site;
  • enlargement and soreness of nearby lymph nodes;
  • the appearance of a rash on the body, accompanied by intense itching;
  • pain, swelling of the joints;
  • sometimes laryngeal edema develops;
  • the heart muscle is affected;
  • suffering nervous system(possible neuritis, sciatica)
  • etc.

The only good news is that in most cases, after a few days, all manifestations pass by themselves.

Temperature and allergies in people at risk

Consider more features the occurrence of allergic reactions with temperature in people at risk.

Temperature for allergies in the elderly

Allergy in the elderly, like any other disease, occurs with a much less intense severity of symptoms. To illustrate this thesis, it is worth saying that people over 65-70 do not experience significant pain even with appendicitis.

So with allergic reactions - the symptoms are smoothed out, the diagnosis is difficult, there are practically no subjective sensations. In order for an elderly person to have a fever with allergies, a “giant” reaction is needed, expressed extremely intensely. Such a problem can develop with the introduction of the drug and in the case of serum sickness. The temperature will rise to 37-38°.

Temperature for allergies in pregnant women

In this section, only one thing is worth saying: if a pregnant woman has a fever, then she immediately needs to go to the hospital. And in a good way, there is no time to find out exactly why such a reaction developed.

However, it should be noted that hyperthermia develops in expecting a child much less frequently than in ordinary women. This is due to the fact that immunity during pregnancy noticeably weakens, allergic reactions are frequent, but they are mostly minor.

The most common of these is allergic rhinitis of pregnancy. Diseases do not tend to generalize the process.

Temperature for allergies in children

The child's body is much more sensitive to various stimuli than an adult. Therefore, children are allergic to more likely will cause the temperature to rise.

Dr. E.O. Komarovsky believes that the most important thing is to understand whether allergies are the “culprit”. For example, when figuring out whether an allergic cough bothers a child or an infectious one, it is worth taking as a basis the fact that there should be no temperature reactions with hypersensitivity.

But if the temperature stays up to 38 ° for no particular reason, this may be an allergy. However, after 2-3 days, other manifestations must necessarily join it ( allergic rhinitis, conjunctivitis, skin symptoms etc). Children are more likely to have a heightened immune response with fever to vaccinations and medications.

Another option is the appearance of only temperature as the main manifestation of an allergic reaction. This option can only be considered in children. This indicates a low activity of the immune system and, paradoxically, a very serious allergic reaction.

It is possible to understand that we are talking about a symptom of an allergy only according to the “history data” - whether there was contact with an allergen or, perhaps, the child is in the prodromal (preparatory, preclinical, asymptomatic) period of an infectious disease. In this case, it is urgent to show the baby to the pediatrician.

However, you still need to focus on the fact that with allergies, children should not have a temperature.

Differential Diagnosis

This section is extremely important. Temperature, even a slight one, is a rather dangerous symptom. Keeping it for no apparent reason may indicate serious and dangerous diseases(tuberculosis, heart disease, oncology).

As for the temperature during allergies, this phenomenon is non-standard. And that is why it is so important to make sure that hyperthermia is precisely of an allergic nature.

First of all, of course, you need to focus on concomitant symptoms and get away from them.

So, if a person is worried about a runny nose, cough, sore throat, lacrimation, allergies should be distinguished from respiratory disease. On the topic of that, there is an article on our portal.

Briefly, we can say the following:

  • With acute respiratory infections, a runny nose is characterized by a viscous, greenish discharge, a tendency to nasal congestion without rhinorrhea. With allergies, on the contrary, the mucus is liquid, transparent, easily and abundantly excreted;
  • ARI is characterized by headaches, heaviness in the head, weakness, a desire to close your eyes, hide warmly and sleep. In the clinical picture of allergy, the main symptom is itching.

When observed gastrointestinal symptoms, it is incredibly important to distinguish an allergy from a poisoning or an acute intestinal infection!

At infectious process the temperature rises to much higher figures (39 ° and more), there are:

  • blanching of the skin,
  • weakness,
  • dizziness.
  • AT severe cases even loss of consciousness.
  • There is always profuse vomiting, persistent nausea there is a risk of dehydration.

For allergies general state better, the symptoms are usually less "violent". The temperature does not rise above 37.5 °.

It is vital to distinguish severe photodermatosis from heat stroke.

Treatment and prevention of fever

It is worth saying that if the temperature does not rise above 38 ° and does not cause much concern to the patient, it is not necessary to bring it down - it will pass on its own.

The boundaries between medication and folk treatment in this situation are somewhat blurred. The fact is that the first recommendation that any doctor will give is plentiful drink. You can drink:

  • water;
  • decoctions of herbs (for example, chamomile) - be careful! May cause re-allergy, intensifying symptoms!;
  • rosehip decoction;
  • fruit drink;
  • compote.

It is permissible to add lemon, honey (in the absence of allergies to them), mint to drinks.

Fruit juices are contraindicated (especially for food allergies and children), sweet carbonated drinks (especially unnatural colors with a huge amount of dyes and preservatives).

If the temperature does not drop, apply:

  • antipyretics (Paracetamol, for children - Nurofen);
  • antihistamines (Claritin, Zyrtec, Suprastin, etc.);
  • with food allergies - enterosorbents (Smecta, Polysorb).

Don't rush to use hormonal preparations, even when local allergies. There is a possibility of an error in the diagnosis, and then with the use of glucocorticoids, the risk of spreading the infection increases significantly.

It is better not to engage in self-treatment of children. If within a few hours on their own, with plenty of drinking and taking 1 dose of Nurofen and an antihistamine, the temperature does not subside, seek medical help.

Prevention of fever with allergies

The most important thing is to prevent the allergy itself, its exacerbations. You can prevent the rise in temperature by:

  • the fastest relief (stop, stop) of an allergy attack;
  • refusal of uncontrolled intake of antihistamines;
  • timely visit to the doctor.

Lowering the temperature with allergies

Can the temperature be lowered with allergies? In extremely rare cases, but yes, this option is also possible.

The most dangerous explanation is the beginning anaphylactic shock.

The person turns pale, cold sticky sweat appears, pressure and temperature drop. Urgent medical intervention is needed!

Before the arrival of the Ambulance, the patient should be given any available antihistamine, release Airways and cover with a warm blanket.

In addition, there are two most probable causes lowering the temperature with allergies:

  • the first stage of serum sickness, which was discussed above. This is due to the vascular reaction that develops as a result of the deposition of immune complexes on the walls of arterioles, venules and capillaries;
  • "Small" symptoms of a food allergic reaction in infants. These include:
    • loci of a rash accompanied by itching and flaking of the skin;
    • redness of the oral mucosa after eating and the skin around anus after a bowel movement;
    • the appearance of diaper rash, crusts on the eyebrows, head;
    • development of pustular diseases;
    • loosening of subcutaneous fat
    • and, in fact, lowering the temperature of the skin.

allergic reaction, not low temperature This is the “object” to which therapy should be directed.

For the treatment of food allergies in infants, enterosorbents are used, rectal suppositories or syrup with antihistamines (by prescription only!). As for serum sickness, it can be prevented. Dr. E.O. Komarovsky advises 2-3 days before the vaccination to give the child a half dose of an antihistamine. Again, it is important to consult a doctor so as not to harm the baby.

Thus, changes in temperature for allergic reactions are not a characteristic symptom, but still sometimes occurring. The most important thing is not to let everything take its course and not to “attribute” everything pathological manifestations for allergies. If you turn to a specialist in time, the cause of the increase or decrease in temperature will be quickly established and the necessary treatment will be prescribed.

Allergy has many manifestations. Often it is accompanied by lacrimation, runny nose, redness of the skin, rash, dermatitis, bronchial asthma. Sometimes a high temperature can join these symptoms. What to do if this happened? And can temperature accompany such a disease as an allergy?

Does fever occur with allergies?

There is a fairly widespread opinion, including among doctors, that temperature and allergies are things that are not connected with each other in any way. While this is true in most cases, there are actually a number of exceptions to this rule.

An increase in body temperature is usually due to various factors. It can be caused by both endogenous (internal) and exogenous (external) causes. In some cases, an increase in temperature is a protective reaction of the body, stimulating all its resources to fight infection, and in others, the presence of special substances in the blood, causing an increase temperature - pyrogens. As pyrogens can be, for example, toxins produced by bacteria. Thus, an increase in temperature is a process for the implementation of which it is necessary to use many biological mechanisms. With allergies, this situation is usually not observed, this process affects only part of the immune system organism.

However, the mechanism of allergy occurrence does not completely exclude such a scenario. After all, the development of an allergic reaction involves the release into the blood a large number inflammatory mediators - histamines. They perform many functions in the body, and one of them is to expand peripheral vessels and increase their permeability. And this, in turn, entails hyperthermia of the tissues in which the concentration of histamine occurs.

However, an increase in temperature is a systemic reaction of the body. And in order for histamines to contribute to an increase in the temperature of the whole organism, and not of its individual tissues, for example, the skin, a lot of histamine must be released. And this already poses a threat to the whole organism. Therefore, fever with allergies is a dangerous symptom that can be accompanied by other severe manifestations, such as anaphylactic shock.

However, most often with allergies, there may be a temperature due to reasons that are not related to the allergy itself. For example, the temperature may be caused by a parallel fungal, bacterial, or viral infection. It is no secret that many manifestations of allergies, such as edema, dermatitis, rhinitis, may be accompanied by infectious diseases of a viral or bacterial nature. And in such a case, fever is a completely natural symptom - a sign of the body's fight against infection.

In addition, an increase in temperature can be caused by another reason, namely, intoxication of the body. After all, many toxins are both strong allergens. Thus, in such cases, fever and allergies can go hand in hand, although they are not directly related.

Thus, allergies can sometimes be accompanied by fever, although this rare symptom. Such cases are called atypical allergies. However, the temperature values ​​for atypical allergies usually remain low - no more than + 37.5 ° C, except, of course, in those cases when a bacterial or viral infection joins the allergy.

Allergies most commonly associated with fever

However, allergies can give fever in some varieties of this disease, and in these cases, fever is the norm rather than the exception. These types of allergies include:

  • allergy to stings of insects and animals,
  • drug allergy,
  • allergy to vaccines (serum sickness).

Allergy to bites

The poison that is injected when bitten by insects (bees, wasps, ants, etc.), not to mention snake bites, has toxic effect on the body. If it penetrates the systemic circulation, then the victim, along with an allergic reaction, may also experience sharp rise temperature. This is a kind of protective reaction of the body, which thus reacts to the penetration of poisons into it. At the same time, temperatures can be quite high and reach +39°C. This reaction is especially characteristic of children. In addition to this symptom, bite allergies are often accompanied by swelling and a rash. This type of allergy is usually severe and requires immediate medical attention.

drug allergy

Many drugs can cause, in addition to an allergic reaction, also an increase in temperature. It does not matter whether they are administered by injection or whether they enter the gastrointestinal tract. Allergies are especially common with the introduction or ingestion of antibiotics. penicillin series. The temperature rises somewhat less frequently when using tetracyclines, sulfonamides, metronidazole. This reaction is most typical for children.

Vaccine administration (serum allergy)

In fact, severe allergies with vaccines are rare. However, if signs of an allergy are nevertheless observed, then they are usually accompanied by such a symptom as fever. In some cases, this phenomenon is not a pathology, as it indicates that the immune system has recognized the antigen of the pathogen and is learning to deal with it. Most often, a symptom such as fever with the introduction of vaccines goes away by itself. However, in severe cases, fever with serum sickness may be accompanied by joint and muscle pain, urticaria, and damage to internal organs.

Temperature in children with allergies

In children, fever with allergies is more common than in adults. However, it is far from always that it can be the result of an allergic reaction, and not an infectious disease concomitant with allergies. Of course, a cold in a child is usually accompanied by respiratory symptoms- cough, runny nose, sore throat. However, in some cases, the symptoms may be erased, for example, when enterovirus infection or not appear immediately. In addition, allergies and infectious diseases may have similar symptoms, such as a runny nose (rhinitis).

Of course, there are cases when there are serious reasons to believe that the child is suffering from an allergic reaction. For example, if he was vaccinated shortly before, or he was bitten by an insect. Also, children are often characterized by an allergic reaction to pollen, in which there is an increase in temperature. This is enough serious condition which, if left untreated, can lead to complications such as asthma. Food allergies in a child can also lead to an increase in body temperature.

However, in any case, with an increase in temperature in a child, it is necessary to consult a doctor in order to accurately establish the diagnosis - whether it is an atypical allergy or an acute respiratory disease. Also, the doctor should differentiate allergies from some viral diseases accompanied by itching, rash and high fever - chickenpox or rubella. Important role the analysis of the anamnesis also plays - so, if a child has already experienced allergic reactions, then the likelihood that he has an atypical allergy attack, and not a simple ARVI, increases.

Fever in adults

Atypical allergies are less common in adults than in children. However, in some cases, such as allergies to drugs or insect bites, the temperature may rise in adults. At the same time, atypical allergies are usually accompanied by the usual allergy symptoms - the appearance of a rash, swelling, etc.

Treatment of fever with allergies

Elevated temperature is just a symptom of pathological process, although rather unpleasant, and not the disease itself. Therefore, there is no particular need to bring down the temperature with allergies, unless it exceeds high values, for example at +38°С. The focus should be on treating the causes of allergies - neutralizing allergens and preventing their further entry into the body. For example, if the allergy was caused by drugs, then it is necessary to stop taking them, and if the nature of the allergy is food, then enterosorbent preparations should be taken to help neutralize the allergens in the gastrointestinal tract. Also, to reduce the level of exposure to the body of inflammatory mediators - histamines, antihistamines should be taken. It must be remembered that conventional antipyretic drugs, such as paracetamol and aspirin, are not able to prevent the onset of severe complications allergies such as anaphylactic shock and.

An allergy is an inadequate immune response to an irritant. Currently, it is diagnosed in 80% of the world's population. Allergy is classified into various forms depending on the type of allergen, which have their own clinical symptoms. For example, some people have a fever with allergies.

If a person is sick, then an increase in temperature is perceived as a sign inflammatory changes. With an allergic reaction, the fever is so unexpected that the question involuntarily arises - is there a temperature with allergies, and why does this happen?

It should be noted that this symptom appears infrequently, and it most often indicates the presence of an inflammatory process of third-party origin.

The reasons

Temperature with allergies in adults and children can be triggered by the factors shown in the table:

FactorsAssociated symptoms
food allergens It is possible that with food allergies, body temperature can rise to 39 degrees. Acute manifestation food intolerance can provoke increased sweating, skin irritation, rash, fever.
Medications It proceeds with irritation of the mucous membranes, itching, signs of intoxication and fever up to 39 degrees.
VaccinationA routine vaccination can cause a rash, swelling and hyperemia at the injection site, as well as a fever of 38 degrees and above. This condition is a medical emergency.
Animal furThe temperature for allergies in a child and an adult in this situation varies around 37 degrees. Taking antiallergic drugs eliminates the signs of allergies, including subfebrile temperature.
Pollen, ambrosia If a person suffers from intolerance to pollination and flowering of plants, sometimes his temperature may rise against the background of other manifestations of allergies: rhinorrhea, conjunctivitis, etc.
Insect bitesThe temperature usually rises exactly at the site of the bite, which at the same time hurts and swells.

How to determine that the cause of the temperature increase was an allergy?

The temperature with allergies in children and adults is practically no different from a febrile state with colds. But the treatment of these conditions cannot be the same, moreover, if it is wrong, it will certainly affect the person's well-being. That's why true reason temperature rise must be determined accurately.

DiseaseCharacteristic features
AllergyIf it's really about allergic condition, then, in addition to the fact that allergies can cause fever, there are other accompanying symptoms given state. Interaction with the allergen ends clinical picture known to every allergy sufferer: pruritus, sneezing, red rashes on the skin, allergic rhinitis and much more.
SARS and FLUFor infections of the respiratory tract, viral or bacterial origin, the temperature is always accompanied by a sore throat, signs of intoxication of the body, headache, that is, symptoms that have nothing to do with allergies.

It should be noted that an allergic reaction is formed quite quickly - its signs can appear already a couple of minutes after contact with the allergen. In turn, a cold begins gradually, it is characterized by a staged development, and, on average, lasts at least 7 days.

An elevated temperature in case of an allergy, which increases in a short time, means a pronounced reaction of the immune system to an irritating aspect. This condition can be dangerous by the development of anaphylactic shock, etc. If, with the symptoms of an allergy, there is swelling of the face and shortness of breath, developing into suffocation, a general deterioration in well-being is necessary urgent care doctor.

Features of temperature for allergies in children

The immune system of a child is not as perfect as that of an adult. Therefore, it is much more difficult for her to be able to resist external pathogenic factors, in particular, allergic irritants. For this reason, allergic reactions occur more often and more acutely.

An allergy with a temperature is more dangerous for a child, as it can lead to serious complications. Therefore, when sudden appearance fever after vaccination, insect bite or medication, you must not hesitate to seek medical help.

Sometimes the temperature with allergies in children rises due to its consequences. For example, gentle skin at this age, it is more difficult to recover from traumatic factors. If allergy symptoms go away slowly, itching continues long time(most often due to inadequate medical treatment or its complete absence), then foci of inflammation form at the site of the rash, which become infected a second time and are complicated by the appearance of purulent contents. If there are many such rashes, the body temperature rises, but this will not happen because of the allergy itself, but as a result of the inflammation that has arisen against its background.

What should be the first aid?

Whether an allergy can give a temperature is an extraordinary question only until the moment when the allergic person himself encounters this condition. If appropriate measures are not taken, the temperature may continue to rise, which will adversely affect well-being. To remedy the situation, use the following tips to reduce fever.

  1. Eliminate or minimize contact with an irritating factor.
  2. Take an antihistamine that was previously prescribed by your doctor. If no medical treatment has been carried out before, you can take Suprastin, Zyrtec or Loratadine at the dosage recommended for age. Most often the impact antihistamine completely eliminates not only clinical manifestations pathology, but also the temperature that accompanies it.
  3. If an insect bite was recorded and an allergic reaction developed almost immediately, it is necessary to rinse as soon as possible large quantity running water the bite site and treat it with any anti-allergic ointment. This will help relieve the local inflammatory process.

  1. For improvement general well-being you can take enterosorbents ( Activated carbon, Enterosgel, etc.), which help to eliminate toxins from the body. Also, for this purpose, it is advisable to drink clean non-carbonated water in sufficient quantities.
  2. If there is a suspicion that the allergy is caused by a drug, it is necessary to stop using it for at least the next period of time. It is recommended to contact your doctor who will select an analogue this drug and exclude additional reasons capable of causing further temperature rise.

Treatment

The answer to the question - can there be a temperature with allergies and what should be the treatment, all allergy sufferers should know. If an adult or a child has a fever and all the signs of an allergy are present, first of all, you need to contact a specialist. The main thing is to consult with him in a timely manner, since a further increase in temperature values ​​\u200b\u200bis not excluded, and then complications cannot be avoided.

If the temperature remains within subfebrile condition or slightly exceeds 37 degrees, there is no need to take an antipyretic drug. If its values ​​\u200b\u200bexceeded the mark of 38 degrees and continue to grow, you can give a drug to relieve heat before the doctor arrives. It can be Paracetamol, Nurofen, etc.

To combat the allergy itself, experts prescribe antihistamines. Their action is to inhibit biologically active substance, which provokes the symptoms of pathology. Medications from allergies are presented in three generations. This case requires the use of first-generation drugs, as they are stronger and give quick effect. Their list includes Fenkarol, Suprastin and others.

If the skin has begun to spill out, for the treatment of a rash in adults, preference is given to hormonal ointments(for example, Hydrocortisone, etc.). AT childhood it is desirable to use non-hormonal agents, for example, Panthenol, Bepanthen, etc.

Prevention

To prevent the development of allergies with symptoms of elevated body temperature, it is necessary to exclude contact with objects or refuse to use food products, which provoke a deterioration in general well-being and cause an inadequate reaction from the immune system. This is the primary and essential method prevention of any allergic disease.

After that, you can pay attention to healthy lifestyle life, balanced diet, strengthening immunity, hardening and good sleep.

Fever with allergies often occurs in children, and it is associated with an overabundance in the body annoying factors. The immune system tries to neutralize them pathogenic influence, and throws out a colossal amount of histamine, so already 10 minutes after interacting with allergens, the caused process manifests itself in all colors.

Listed the most dangerous symptoms that may exist in this pathological process is fever with thermometer values ​​of 39 °. This condition provokes an ambiguous reaction from many organs and systems of the body, so any complications against this background are not excluded. What to do? Before you start sounding the alarm, it is strongly recommended to take an antihistamine and antipyretic. In the absence of signs of improvement in well-being, medical attention is needed.

An allergy is an inadequate reaction of the body to the ingestion or contact with an allergen. Currently, more than 85% of the total population of the planet suffers from its variety. Exists great amount various forms allergies, each with its own symptoms. Many people are concerned about the question: is there a temperature with allergies? It happens, but quite rarely. An increase in body temperature during allergies is often confused with a viral infection or with a cold, because, as a rule, allergens do not provoke an inflammatory process. Usually, if a high temperature rises during an allergy, then a concomitant inflammatory process occurs in the body in parallel.

What causes the temperature to rise?

The temperature for allergies in children requires fast withdrawal allergic symptoms. In this case, it is very important as soon as possible find the source of the allergy and isolate it from the child. Medical treatment in this case, it may not be effective, since it is not always possible to accurately determine its cause, and there is also a rapid addiction to the drug. It is necessary to give a child antipyretics only when his health has deteriorated sharply. It is imperative to call a pediatrician who can identify the cause of the atypical reaction.

An allergic reaction in the form of fever in a child may occur after preventive vaccination. As a result, cases of non-vaccination have become more frequent. But such a reaction can be avoided if the child's body is prepared in advance. To do this, five days before vaccination, antihistamines are prescribed, which must be used according to a certain scheme. Due to this, there is no medical shock, and the assimilation of the vaccine is softer.


How to deal with it?

Most doctors do not recommend bringing down the temperature below 38 ° C, but this only applies to those cases when its increase is caused by some internal disease and not allergies. If the temperature increase was provoked by an allergy, then you should immediately contact medical institution for advice, because it is possible that the temperature is caused by a virus or infection.

How does the infection get into the body of a patient suffering from allergies? A person who is sensitive, for example, to pollen, begins to sneeze, cough, and blow his nose. He may develop swelling of the mucous membranes, copious excretion from the eyes and nose. As a result, inflammatory processes may occur. This is especially true for children. Stagnation of mucus can lead to the appearance of foci of inflammation. Because of the tearing of the eyes, a person often blinks and touches with his hands. This can also lead to serious infection.

Help to cope with a slight temperature in this case, conventional allergy medicines, which are also called antihistamines. Doctors recommend giving adults and children medicines such as Suprastin, Claritin and others. If the temperature is prolonged or accompanied by weakness, then it is worth resorting to antipyretic drugs based on analgin, paracetamol and ibuprofen. Aspirin should be avoided. Inflammatory reactions with allergies, corticosteroids will be removed. Even if the symptoms of allergies have decreased, they must continue to be taken. But steroid drugs can cause weight gain and high blood pressure.

If the allergy is caused by drugs, then it is dangerous to bring down the temperature with them. In no case should you use rubbing and hot baths, they only help with a cold. Best to take harmless means to lower the temperature, such as drinking plenty of water: milk with honey, tea with lemon. But be careful, it can be triggered by one of these products.

Exposure to an allergen can cause an increase in body temperature of 1°C to 2.5°C. Sometimes this is the only allergic reaction. There may or may not be other manifestations. Therefore, it is difficult to recognize the cause and make a correct diagnosis. But diet and antihistamines can normalize the temperature and eliminate discomfort.

Allergy temperature does not apply to usual symptoms. Most likely, an allergic reaction is aggravated by an infection, a virus, or takes on a special character. Before you begin to deal with the temperature yourself, you should seek the advice of a doctor - an allergist.

With any disease, raising the body temperature above the normal limit is the first sign that an inflammatory process has begun in the body. An increase in temperature with allergies is an unexpected phenomenon. This symptom occurs very rarely and in a single number of patients.

What happens in the body with allergies

Allergic reactions can occur immediately after the body encounters the allergen or manifest itself through certain time when there is an overabundance of allergenic substances. In any case, both local and general allergic reactions are manifested.

To local symptoms include:

  • Rashes of various localization;
  • Inflammatory processes of the mucous membranes of the mouth, nose, eyes;
  • Inflammatory reactions of the joints.

General symptoms:

  • The formation of a large amount of histamine in the blood;
  • Increase in the limit of the norm of immunoglobulin class E;
  • The appearance of symptoms atypical for allergies.

So, is there a temperature with allergies? The answer will be unequivocal. Yes, with allergies there is a temperature, such a process is due to the fact that the body is oversaturated with allergenic substances. As a result, an intense reaction of the immune system and the release of a large amount of histamine. In addition to the antigen, other active substances are also released.

Allergy sufferers are also interested in: “Is there a temperature with allergies?”. Yes, it happens, and what is the reason for its appearance will be discussed further.

Very often, when a person develops an allergy, the signs and symptoms of the disease at the initial stage of its development are confused with a common infection or cold. But allergens cannot cause inflammatory pathologies, you need to know and remember about this.

Why is there a temperature in allergic reactions in children?

Temperature with allergies in a child can be caused by:

  • food allergies;
  • Intolerance to a particular series medicines;
  • , etc.;
  • holding;
  • hymenoptera and other insect species.

If other than allergic manifestations and elevated body temperature, the child has other symptoms - these may be symptoms of another disease.

Temperature with allergies in adults, as in children, is provoked by almost identical allergic processes:

  • . Manifestations: rashes, redness of the affected areas of the skin, drops blood pressure, sharp pains in the abdomen, high fever and much more;
  • . Manifestations: severe itching and peeling of the skin, swelling of the mucous membranes and their inflammation, a sharp increase in temperature ...;
  • . Manifestations: Symptoms can manifest themselves in different ways. At severe course the disease develops anaphylaxis;
  • , pollen. Manifestations: inflammatory processes mucous membranes, annoying cough, a slight increase in body temperature.
  • Allergy to insect bites. Manifestations: swelling and redness of the affected areas, local or general fever.

Often, at a doctor's appointment, patients are also interested in the following question: “Does the temperature rise with allergies regularly or does it depend on the type of disease?”. As noted above, this process is individual and does not depend on the type of allergic reactions. Most likely, this is an exception to the rules that cause an ambiguous reaction among doctors, but, unfortunately, such a phenomenon occurs.

It is also very difficult to unequivocally answer the question of what temperature with allergies can be. The limit of her jumps is not limited.

Most high rate observed in people with a predisposition to protein and in childhood after vaccinations carried out according to an individual schedule.

Facts of raising the temperature with allergies

To refute or make sure that it was allergies that caused the increase in body temperature, we recommend that you find out the following:

  1. In rare cases, the temperature can be caused by contact with an allergen to which an allergic reaction has previously manifested.
  2. If the temperature appears immediately after the ingestion of the allergenic substance or direct contact with it.
  3. If, in addition to temperature, the disease proceeds with a rash on the skin, Quincke's edema, signs of anaphylaxis and other allergic symptoms.
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