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 ...

Important: If your job requires you to operate heavy machinery, it's best to avoid antihistamines altogether. Before using an antihistamine, it's important to thoroughly read the leaflet ...

If your job requires you to operate heavy machinery, it's best to avoid antihistamines altogether. Before using an antihistamine, it's important to thoroughly read the leaflet accompanying your ...