Allergy is a popular form of immune reaction which creates the process of irritating the body through means of itching. Allergy is basically a Greek term which means "other work." Allergy is a common disorder which is virtually affecting more than 50% of the total world population in one way or the other. Allergy often leads to the formation of certain chronic diseases. Allergy may be caused due to weather, dust, food, pollution, animals, flowers, plants etc and the list is quite unending.
Certain signs and symptoms of allergies may be enumerated as follows: