Caution with diuretics. Additive effects with other antihistamines, anticholinergics, sedatives, tranquilizers, or any other sleep-aid. Drowsiness, GI upset/bleed, vomit blood, feel faint ...
For example, “Aleve PM” contains both naproxen and diphenhydramine, a sleeping aid which is the active ingredient in Benadryl. So, for any product with “Advil” or “Aleve” in the name ...