What should I avoid while taking ZzzQuil? This medication may cause blurred vision and may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert and able to see clearly. Drinking alcohol can increase certain side effects ofdiphenhydramine. ...
Along with its needed effects, benztropine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.Check with your doctor immediately if any of the following side effects occur while taking benztropine:Incidence...