Benadryl (diphenhydramine) and Unisom (doxylamine succinate) are sleep aids that can be purchased over the counter. Both medications are antihistamines that have sedative side effects. Generic ...

Benadryl (diphenhydramine) and Unisom (doxylamine succinate) are sleep aids that can be purchased over the counter. Both medications are antihistamines that have sedative side effects. Generic ...

There are different Unisom products available, which vary by their active ingredients. These include: Doxylamine succinate: Active ingredient in Unisom SleepTabs Diphenhydramine: Active ...

Concomitant other diphenhydramine- or doxylamine-containing products (including topicals): not recommended. Additive effects with other anticholinergics, antihistamines, sedatives, tranquilizers.