It is the body’s response to foreign protein (called as allergens), which are usually harmless. The common causes are certain foods (e.g. peanuts, eggs, milk and soy), airborne substance, pets, dust mites, moulds, pollen, medicines and insect bites. The common symptoms are hives, runny, itchy nose, nasal congestion, rash, sneezing and watery eyes. The treatment of includes avoiding allergens, and over-the-counter or prescription allergy medications.
