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Antihistamines
Antihistamines block the action of certain chemicals called histamines which are released by the body during allergic reactions. Some may also decrease the amount of secretions produced by the stomach.
 
Chlorpheniramine 
Clemastine (Tavist®
Cyproheptadine (Periactin®
Dimenhydrinate (Dramamine®
Diphenhydramine (Benadryl®
Hydroxyzine (Atarax®
Antihistamines