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Food Allergy Hives


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Food allergy hives

Nearly about twenty percent of hives occur due to food allergy. Consuming allergenic foods like eggs, wheat, chocolate, nuts, and fish can cause hives. Hives results into welts that are red and itchy patches. These welts can appear to be swollen and might vary in color and size. These patches are painful and hence, one should stay away from the agents causing food allergy.

Hives is a common food allergy symptom, which is caused due to reactions to a variety of food. Hives that stay for a few minutes or few seconds are known as acute hives, while hives which stay for more than six weeks are known as chronic hives. Some people immediately stop eating certain foods which they are allergic to. But it is always suggested to consult a doctor to confirm the allergic reactions. A doctor will perform some allergy test and accordingly will ask you to eliminate that particular food from your diet.

Hives welts or nettle rash is a common manifestation of food allergy. Around 20 percent of acute hives cases are related to the ingestion of an allergenic food such as eggs, nuts, chocolate, fish or some tor some types of fruit. Food allergy related hives response is almost immediate, after hours or at least days. Itchy, swollen red areas suddenly appear on the skin all over the body, the face, lips, tongue, throat or ears after the food allergy. Hives area varies in size, from very small to several centimetres width. Hives are typically itch, sting, or burns that often have a pale border.

The allergic method is responsible for the hives manifestation because of chemicals that are released during the abnormal immune response, mostly histamine. When histamine circulates in the inner cells of the skin and of the skin capillaries, the endothelial cells, incites an inflammatory reaction with a leakage of liquids from the capillaries, resulting in itchy skin. Histamine can also be released by causes other than food allergy, as drugs, infections, viruses or bacteria or physical substances such as water, heath, cold, sun, etc.

Hives that are related to food allergy is an allergic hives. Histamine and other inflammatory substances are produced from activated immune cells. These cells have been triggered by the binding with igEantibodies formed by the allergen antibody interaction. The itchy reaction that disappear by the time are classified as an acute hives, whereas itchy reactions that appears for few minutes and lasts for few hours to several weeks after the allergen exposure are chronic hives.

Diagnosis and treatment of food allergy hives:

Hives are easy to identify optically from its appearance. Your doctor can do investigations only to determine the cause and in case of food allergy, the allergenic hives, the allergenic food is the cause. You can prevent it by the elimination of diet, removing all the possible allergenic foods from the diet one by one, identifying the wrong food. You can prepare a food diary to annotate eated food and eventual response and to see if hives decreases.

To decrease the reaction of hives but not to treat the causes you can use some antihistamines medication that blocks the effect of histamine. These medications should be taken only if prescribed by your doctor. You should keep your skin cool and avoid getting hot from exercise and taking bath from lukewarm water as this will help you in reducing itching. You should not rub the itchy skin but you can apply moisturising creams on the infected area to reduce dryness and itch.