Q What kinds of allergies are most common?
Allergy is a form of hypersensitivity and is of many types. Foods and inhaled particles like pollen and pet dander are the most common allergens. Other forms of allergy include allergy of milk, egg, wheat, nut, fish. There may be sulfate, soy and casein allergy too. The allergies may be seen according to season like spring, summer, fall, winter. Dog and cat allergies are related with pet allergy. Hay fever, hives, allergic conjunctivitis are developed as a result of allergy too. Insects, dust, drug, chemicals can cause this in few sensitive people. Drugs like penicillin may show allergy to some people.