What are the possible side effects of Benadryl (Diphenhydr Amine)?
Stop taking diphenhydramine and seek emergency medical attention if you experience an allergic reaction (difficulty breathing; closing of your throat; swelling of your lips, tongue, or face; or hives). Other, less serious side effects may be more likely to occur. Continue to take diphenhydramine and talk to your doctor if you experience sleepiness, fatigue, or dizziness headache dry mouth; or difficulty urinating or an enlarged prostate Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.
