<unk> (oral) is an analgesic and antihistamine that is FDA approved for the treatment of temporarily relieves symptoms of the common cold such as runny nose, sneezing, itchy watery eyes, and itchy nose or throat.   Common adverse reactions include xerostomia, dizziness, dyskinesia, sedation, somnolence, dryness of nasal mucosa, pharyngeal dryness, and thick sputum.
Diphenhydramine 
Dyclonine hydrochloride
Deanol
Olopatadine 
Ephedrine
Allylnorpethidine
Meclizine
Pantethine