In general, non-drowsy antihistamines are the best choice for most people. If you're looking for an OTC allergy medicine that won't make you sleepy, our best overall pick, Allegra Adult 24-Hour ...

48-count pack of Benadryl Ultratabs Antihistamine Allergy Relief Tablets with 25 mg diphenhydramine HCl for powerful allergy & cold relief in 1 pill* *temporarily relieves runny nose & sneezing ...

ACTIVE INGREDIENT: The active ingredient in Amazon Basic Care All Day Allergy is cetirizine hydrochloride, an antihistamine approved for the treatment of both indoor and outdoor allergy symptoms ...