A member asked:

I get allergies about once a week, year-round. it usually lasts about 24-36 hours. itchy eyes, runny nose. what causes that?

A doctor has provided 1 answer

Histamines: As a response to allergies the body releases histamine s among other things, which make the eyes itch. Treatment is antihistamine eye drops. All symptoms you described are the response to an allergen.

Answered 2/7/2013

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