Question

What is an Allergic reaction ?!!!


koi humse "vartalap" krlo xD​

Answer 1

Answer:

An unpleasant or dangerous immune system reaction after a certain food is eaten.

The cause of food allergies is unknown. In some cases, allergies experienced during childhood may resolve in adulthood.

Answer 2

Answer:

A hypersensitive immune reaction to a substance that normally is harmless or would not cause an immune response in most people. An allergic response may cause harmful symptoms such as itching or inflammation or tissue injury.