Allergies What Are The Most Common Food Allergies? Causes & Symptoms

Published on July 19th, 2013 | by Tom

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What Are The Most Common Food Allergies? Causes & Symptoms

A Food allergy is an abnormal reaction to specific foods by the body’s immune system. Food Allergies occur immediately after consumption of an allergen food. Usually, the allergic reactions are mild but sometimes may be very severe too.

For adults, the most common allergen foods include fish, shellfish, fruits and vegetables. And children are most likely allergic to eggs and milk. It seems that nut Allergies are relatively common for both adults and children, which includes peanuts, tree nuts allergies.

Causes of food allergies

Food allergies actually are caused by the abnormal response of the immune system to the harmless food. The immune system mistakenly treats proteins found in specific foods as  threaten to the body and then triggers cells to release antibodies know as immunoglobulin E(lgE) antibodies to treat the allergen. And once you eat that food, your immune system will get the signal from lgE to release chemicals which can cause a wide variety of allergy signs and symptoms.

Symptoms of food allergies

Different food allergies may differ in symptoms and different areas of the body may be affected at the same time. Here are some common symptoms:

  • Dripping nose
  • Hives or Eczema
  • Itchy and swollen sense inside the mouth, throat or ears
  • A swollen face
  • Blood pressure dropping
  • Vomiting, diarrhea, or abdominal Cramps and Pain

Treatments for food allergies

There is no cure for food allergies. The most effective way may be never touching the allergen food again. Identify the type of food that will trigger an allergic reaction and avoid it in future.

Two main types of medication can be used to relieve the symptoms of allergic reaction to foods: antihistamines and adrenaline. Antihistamine is effective for mild to moderate allergic reaction, and adrenaline works well for anaphylaxis, the severe condition.

Usually, in case of emergency, people with food allergy are recommended to take a device called auto-injector pen which contains dosages of adrenaline.

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