With an allergy, a rash: photo, treatment, prevention
With an allergy, the rash on the skin appears very often. About how this phenomenon looks like, and how to treat it, we will tell in the materials of this article.
Basics
The term "allergy" refers to the hypersensitive state of the human immune system in the case of repeated exposure to the allergen on the body previously sensitized to them.
With an allergy, the rash may appear immediately or after a few days. It is necessary to treat such a condition. We will talk about how to do this below.
Causes of development of
Why does the rash occur with allergies in children and adults? As it was said above, the considered reaction is a personal intolerance of this or that factor. Such an unpleasant symptom, like a rash, is a consequence of a specific reaction of human immunity.
Skin rashes for allergies can occur due to the following factors:
- certain medicines;
- such foods as nuts, honey, citrus fruits, dairy products, chocolate( most often an allergic rash due to food appears on the face);
- some types of fabrics( for example, synthetic or wool);
- chemicals, including household chemicals;
- cosmetics;
- animal wool;
- pollen of plants;
- some kinds of metals;
- insect bites( a similar reaction is called insect).
It should also be noted that the allergic rash, the photo of which is presented in this article, can arise even because of the effects of cold.
Appearance
What does the rash look like with allergies? Such manifestations on the skin are characterized by the following features:
- the color of the spots can vary from pink to bright red;
- rashes on the integument usually do not have a clear shape( they are spots with blurred and fuzzy edges);
- at the site of the appearance of the rash may be observed exfoliation;
- is more often a rash of an allergic origin similar to a nettle burn, although such rashes may also have the appearance of nodules, spots, blistering blisters and blisters;
- at the site of skin rashes, the skin is usually very irritated, sometimes swelling is observed on it;
- is a food allergy that usually occurs on the face, particularly on the cheeks and around the mouth( also seen on the abdomen, arms, back, legs).
Where does it appear?
With an allergy, the rash can be localized in various parts of the body. For example, irritation with contact dermatitis appears in the place where the skin has come into contact with the allergen. The reaction to household chemistry usually occurs on the hands, and on wool or synthetics, for example, when wearing trousers made of this material, only on the lower limbs. In other types of allergies, irritation can occur anywhere.
Few people know, but with an allergy, the rash does not always occur. Spots and dots on the body may not be. In some cases, this reaction is manifested only by redness and swelling. Usually, this phenomenon is observed in pollinosis, that is, with allergies to pollen.
Associated allergic symptoms
Allergic rash is just one of several signs of intolerance to a particular allergen. In addition to skin irritation, such a pathological condition can be accompanied by other unpleasant phenomena. Usually they are referred to as:
- asphyxiating cough;
- tear;
- severe skin itching;
- redness of the visual organs;
- sneezing;
- annoying cold;
- photophobia.
With regard to the rise in body temperature, then with an allergy such a symptom develops extremely rarely. Most often, this symptom does not arise because of the fact of allergy, but as a result of infection. For example, if a child has multiple bites on his hands, and he began to intensively comb them, he will eventually become infected.
If irritation on the skin does have an allergic etymology, then usually a person feels quite normal. At the same time, he does not experience any ailments. A rash with allergies in children can be a concern, but this is only a consequence of severe itching of the skin.
Other signs of
How does the antibiotic allergy manifest itself? Rash on the skin( treatment of this condition should be carried out necessarily) when taking a medication is a drug urticaria. This reaction to the drug is called a side effect. Usually its possible appearance is warned in the instructions that are attached to many medications and even to multivitamin complexes. If the patient has an allergy to pollen, and this allergen has got into his digestive tract, then he may begin vomiting, nausea and severe pain in the abdomen.
When should I sound an alarm?
If an allergic rash( a photo of such irritation you can find in this article) has arisen on the child's body, then it is necessary to measure his temperature. In this case, you need to pay special attention to whether your baby has any problems with breathing. If it is difficult, then you should immediately consult a doctor, as this may indicate the development of such a serious complication as Quincke's edema.
Reasons why you should contact the doctor
The types of rashes for allergies can be different. Such irritation can be localized in one place or cover the entire body. In any case, seeing a rash on the skin of incomprehensible origin, you should always consult a specialist. What is the reason for this urgency?
- In the absence of necessary treatment, a rash with allergies can develop into a serious complication, for example, in bronchial asthma.
- To reveal independently, what exactly served the development of such irritation, is rather problematic. In most cases, this requires a laboratory test. In order to determine the type of allergen, the doctor must make skin tests or send the patient to the blood test.
- Not always irritation of the skin indicates the development of an allergic rash. This phenomenon may be a symptom of an infectious disease( for example, rubella, chickenpox, herpes zoster and others).All these diseases are contagious and require constant monitoring by a specialist.
- A rash on the skin may be an ordinary dermatological disease( including depriving, psoriasis or eczema).It is extremely important to diagnose the disease at the initial stage of its development. Only in this case the treatment will be most effective.
- A rash that appears on the skin may result from an insect bite. For example, after bite by an ixodic tick, irritation may not appear for a long time( from 2 weeks to 1 month).To reveal independently, that the reason for the appearance of spots was the tick bite, it is very difficult. In this regard, you can skip the development of such a dangerous disease as borreliosis.
Even if the patient is fully confident that the rash on his skin is allergic, its treatment should be performed only by an experienced doctor. As a rule, special ointments are used to treat this condition. If the case is neglected and severe, the patient may need a whole complex of medicines.
How to get rid of a rash?
How much does the rash from allergy go? Self-irritation occurs only after contact with the allergen has been completely discontinued. Typically, this takes a few days or even weeks. If the patient does not know why such rashes have appeared on his skin, then he should consult a doctor. After examination, the doctor will be able to make a hypoallergenic diet or teach the patient principles that will minimize contact with the established allergen.
Also an allergic rash can be cured by immunotherapy. For this, the patient is given injections with a microdose of the allergen( sublingual drops can be used).To completely eliminate the allergic rash, it may take a rather long treatment, as a result of which a so-called "antidote" to the allergen is produced in the human body.
How is the allergy to antibiotics treated? Rash on the skin, which should be treated only by an allergist, very often occurs after taking certain drugs. It is paradoxical, but various medications are used for its elimination. As a rule, they are intended for topical application( for example, preparations "Triderm", "Pimafukort" and others).Though the doctor can appoint them and in a combination to medicinal preparations for reception inside( for example, with "Clemastinum", "Tavegilum", "Suprastinum", "Loratadinum" and others).
How to treat allergies in children?
Allergic rash in children may occur for various reasons. When observing such irritation, you should remember what kind of food your child used in the last few hours. Very often the reason for the development of allergies in the baby is a detergent, previously unused in the family. Another reason for this phenomenon may be the taking of certain medicines or the replacement of baby porridge.
A child prone to allergic reactions should, if possible, refrain from contact with cosmetics, creams or soap. If irritation has already occurred, then to treat the baby using antihistamines. To prevent the subsequent appearance of a rash, children should be protected from the established source of the allergen. To determine it, you need to contact an allergist.
With such a pathology, it is very important not to let the allergy "by chance".If you do not take any action, then this reaction can become more complicated and develop into asthmatic dermatitis, hay fever or bronchial asthma.
Prevention of
What measures to take to prevent an allergic rash develop? To do this, the following rules should be adhered to:
- Pregnant women should take antibiotic drugs with extreme caution, and also follow a certain diet.
- Nursing mothers should not abuse foods that cause allergies( eg, chocolate, chicken eggs, fish, citrus fruits).
- Children born of allergy sufferers need to breastfeed longer.
- Babies suffering from food allergies should avoid the use of salty and spicy food, canned and marinated foods.
- Allergies should refrain from contact with animals and dust in the house.