However, those with more severe allergies may find that over-the-counter options aren't strong enough, and should consult with their doctor about prescription antihistamines, or other medications ...

Here’s a rundown of common medications and ... adding in a daily nasal antihistamine spray such as azelastine (Astepro and generic), available OTC, or prescription olopatadine (Patanase and ...

Chlorpheniramine is an antihistamine drug (H 1 receptor antagonist) that also possesses anticholinergic and sedative activity. It prevents released histamine from dilating capillaries and causing ...