Cyproheptadine

Cyproheptadine is a prescription antihistamine used to help relieve allergy symptoms. It blocks histamine, a substance your body releases during allergic reactions, which can reduce sneezing, runny nose, itching, and watery eyes.

It is also used for other conditions such as appetite stimulation in some patients. Cyproheptadine can cause drowsiness, so avoid driving or alcohol until you know how it affects you. Follow your prescriber’s directions and tell them about other medicines, glaucoma, urinary problems, or asthma before use.