Benadryl For Cats: Uses, Dosage, & Side Effects

Benadryl an antihistamine medicine that cats might take primarily to treat a range of allergies and motion sickness. It’s actually a brand name for the generic drug diphenhydramine.

The medication works by calming the symptoms that are caused by histamine. It comes in tablet or syrup form, and you can purchase it over-the-counter without a prescription from a veterinarian.