Also Known As: Triprolidine, Actidil, Myidil

Triprolidine (Actidil, Myidil) 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 over-the-counter 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.[citation needed]

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  • 0 = No improvement or Worse
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  • 2 = Moderate Improvement
  • 3 = Significant Improvement
  • 4 = Cured

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