An allergen is a type of antigen that produces an abnormally vigorous immune
response in ... Another type of allergens are urushiol, a resin produced by poison
ivy and poison oak, which causes the s...
Types of Allergies. Allergies, including allergic rhinitis, affect an estimated 40
million to 50 million people in the United States. Some allergies may interfere
Sneezing, difficulty breathing, cramps, and vomiting–all are allergy symptoms.
Learn the types of allergies, specific allergy symptoms, and emergency warning ...
Learn about the different types of allergies, including causes, symptoms, and
In this section, we cover all of the many types of allergic conditions, including
allergies to food, drugs, airborne allergens and those affecting the skin.
Sep 29, 2013 ... By Dr Ananya Mandal, MD. Allergies are over-reactions of the immune system in
certain individuals to seemingly and generally harmless ...
This type of allergy is characterised by the immediate onset of symptoms (within
seconds or minutes). Usually the skin or mucous membranes are affected.
Mar 21, 2012 ... ... 50 million Americans are allergic to something — whether pollen, peanuts, or
pet dander. Learn some of the most common kinds of allergies.
It reacts by causing an allergic reaction. Substances that cause allergic reactions
are allergens. There are many types of allergies. Some allergies are seasonal ...
There are different types of food allergy reactions. A food allergy occurs when the
body's immune system sees a certain food as harmful and reacts by causing ...