Allergy is a disease that is characterized by an inadequate immune response to substances that enter the body. In most cases, it arises for hereditary reasons, but can manifest at any time and in those whose relatives have never had any allergic reactions.
How does the drug allergy manifest itself?
Drug allergy in most cases occurs immediately after taking the medication, and in rare cases, if the drug is used systematically, the reaction may occur in a few weeks, after the concentration of the allergen has increased.
How does the antibiotic allergy manifest itself?
Antibiotics are the most common cause of drug allergy. It can affect several organs and is accompanied by skin itching, urticaria, Quinck's edema (the most dangerous form of it is swelling of the larynx, which can result in asphyxia), diffuse erythema, bronchospasm, etc. Another form of antibiotic allergy is fever that stops after taking the medicine. Often an allergic reaction occurs 10-30 minutes after taking the medication.
How is the allergy to vitamins manifested?
Such an allergy is most often affected by children: immediately or after several days of taking the vitamin there may be skin itching or hives. If a person is prone to allergic reactions, then he should avoid taking a multivitamin and drink only those that are deficient in the body. The most frequent skin reaction is observed in vitamin C and group B.
How is food allergy manifested?
Food allergy manifests itself in the form of skin reactions - Quincke's edema or urticaria. It can occur immediately after ingestion of food containing the allergen, but more often it takes some time to manifest itself: for example, if you are allergic to strawberries, a single use of several berries may not give an acute reaction, while its daily presence in the diet in a week will manifest itself in a skin reaction that will stop only after a long period of taking antihistamines and a diet.
How does the alcohol allergy manifest?
Drinking alcohol often does not cause allergies - most often it happens after the interaction of alcohol with a medicine, and manifests itself in the form of urticaria or edema Quincke.
How does the allergy to gluten?
Such an allergy is accompanied by a rash, hives, fever, or Quinck's swelling within an hour after the gluten product entered the body.
Household Allergy
Allergy to the substance can manifest itself in various ways, depending on what contact occurs with the allergen: external or internal.
How does an allergy to dust appear?
Such an allergy can manifest itself in the form of constant sneezing, lacrimation, nasal congestion. The fact is that the mucous membrane is more sensitive to dust than the skin, and therefore the reaction often manifests itself in these areas.
How does the animal allergy manifest itself?
Fur of animals, and especially cats, often becomes the cause of skin itching and hives. In rare cases, allergies affect eyes and nasal mucosa - this happens if a person lifted the animal close to his face and inhaled the allergen.
How does the allergy to cosmetics appear?
Chemicals that make up cosmetics often cause a reaction. Allergy to cosmetics is manifested by redness and itching of the skin where the remedy was applied. Often, fragrances cause allergies, and then a person suffers from stuffy nose, abundant mucus secretion, sneezing and lacrimation.
Temperature allergy
High and low temperatures can also cause allergies, but their peculiarity is that they suffer directly exposed areas of the body: for example, cold allergy manifests itself in the winter on the face and hands, and solar on those areas where the skin is not protected from the sun.
How is cold allergy manifested?
During the first 3 minutes after the interaction of the skin with a low temperature, its redness is observed, compacted patches of uneven shape may appear. They cause itching and pass, usually within 2 hours.
How is the allergy in the sun?
Allergy to the sun is called photodermatosis: it is manifested by a strong reddening of the skin, blisters that itch and do not disappear within 12 hours, and also rarely bronchospasm. With a strong reaction, blisters can stay on the skin for up to 3 days, and then disappear without a trace.