Allergies are a common and chronic condition that involves the body’s immune system. Normally, your immune system works to fight off viruses, bacteria, and other infectious agents. When you have an allergy, your immune system treats a harmless substance, like dust or pollen, as a threat. To fight this perceived threat, your immune system makes antibodies called immunoglobulin E (IgE).

Substances that cause an allergic reaction are called allergens. Besides dust and pollen, other common allergens include animal dander, foods, including nuts and shellfish, and certain medicines, such as penicillin. Allergy symptoms can range from sneezing and a stuffy nose to a life-threatening complication called anaphylactic shock.

Some of the common tests or procedures are as follows:

  • Allergy Skin Testing
  • Blood Tests, Spirometry (Lung Function Tests)
  • Food Challenges
  • Medication (Drug) Challenge
  • Aspirin Desensitization
  • Patch Testing.

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