Didryl Diphenhydramine Hydrochloride Guaifenesin + Levomenthol + Diphenhydramine
ModerateSince Guaifenesin plus Levomenthol and Diphenhydramine syrup already contains diphenhydramine hydrochloride, taking it alongside other diphenhydramine hydrochloride can intensify the effects of alcohol and other CNS depressants.
These medicines are often taken together with some care. Your doctor may change a dose, space them apart or check on you more often. Make sure your doctor and pharmacist know you take both.