Wiktionary
triprolidine
n. An over-the-counter antihistamine drug used to combat the symptoms of allergy.
Wikipedia
Triprolidine
Triprolidine is an over-the-counter antihistamine with anticholinergic properties. It is used to combat the symptoms associated with allergies and is sometimes combined with other cold medications designed to provide general relief for flu-like symptoms. Like many antihistamines, the most common side effect is drowsiness. Triprolidine is a quick acting drug that can clear congestion and stop runny noses in 15–30 minutes.
Usage examples of "triprolidine".
Triprolidine is the active ingredient found in Actifed and pseudoephedrine, a nasal decongestant found in many over-the-counter cold remedies.