<unk>  is an antihistamine that is FDA approved for the treatment of symptoms due to common cold, hay fever and upper respiratory allergies.   Common adverse reactions include drowsiness, dizziness, flushing, headache, nausea, nervousness, blurred vision, and dry mouth/nose/throat may occur..
Thonzylamine hydrochloride and chlophedianol hydrochloride
Dextroamphetamine saccharate, amphetamine aspartate monohydrate, dextroamphetamine sulfate and amphetamine sulfate
Diphenoxylate hydrochloride/Atropine sulfate
Brompheniramine maleate and Pseudoephedrine hydrochloride
Diphenoxylate hydrochloride and atropine sulfate
Hydrocodone bitartrate and Homatropine methylbromide
Isometheptene, caffeine and acetaminophen
Ergotamine and caffeine 