Triprolidine

Triprolidine hydrochloride is an over-the-counter antihistamine. 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 over-the-counter antihistamines, the most common side effect is drowsiness.

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Trade names

• Actidil
• Myidil
• Actifed (as a combination with pseudoephedrine)

Note: in some countries (Belgium e.g.), ACTIFED contains pseudoephedrine and triprolidine, but the same pharmaceutical company (GSK) has introduced an "ACTIFED New" which contains dextromethorphan hydrobromide, an anti-tussive compound unrelated to pseudoephedrine and triprolidine, and with different indications (symptomatic treatment of non-productive, irritative cough).