Review Of Prescription Allergy Medication Ideas. Others are available by prescription only. Web antihistamines are a class of drugs commonly used to treat symptoms of allergies.

Web by mayo clinic staff. It's used to treat hay fever, conjunctivitis (red, itchy eyes), eczema and hives (urticaria). Web different medications can treat allergies, including steroids and allergy shots, but usually the first thing to try is an antihistamine.