Q Age- 40 yrs, height- 170cm, weight- 85kg, allergy problem. Water coming from nose. Why it is caused?
Allergy is a hypersensitivity reaction of your bodys immune system. Substance that can commonly trigger this reaction are dust, pollens, animal dander, etc. During the reaction your body produces a substance called as histamine. This substance causes development of symptoms of allergy such as runny nose, sneezing, itching in the eyes, etc.