ALLERGIES
Allergy is a condition of health that occurs when the immune system reacts abnormally to materials around us that are harmless for most people. These substances are generally known as allergens which are present in dust, pets, insects, pollen, tics, some food and few medicines.
Over reaction of the immune system to certain foreign substances.
Symptoms:
Symptoms may include sneezing, runny nose, red watering eyes, vomiting, diarrhea, rashes, and itching.
Causes:
Caused by hypersensitivity of the immune system to certain allergens that may come in contact with the body through inhalation, ingestion, injection, or physical (skin) contact.