Benadryl (diphenhydramine ... as it may cause excitation rather than sedation. The recommended dose of diphenhydramine for adults and children 12 and over is 50 milligrams (mg) at bedtime.

The usual dose for adults and children ages 6 years and older is 10 mg by mouth daily. Because Benadryl has many potential uses, dosing can vary. Because we are comparing Claritin and Benadryl, we ...