Methapyrilene: Difference between revisions
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Latest revision as of 01:50, 20 February 2025
Methapyrilene is an antihistamine and anticholinergic of the pyridine chemical class which was developed in the early 1950s. It was used in over-the-counter drugs as a night-time aid for the relief of allergy symptoms, and was also used in the treatment of Parkinson's disease and other motion sickness disorders. However, it was withdrawn from the market due to causing cancer in rats.
History[edit]
Methapyrilene was first developed in the early 1950s as an antihistamine and anticholinergic. It was widely used in over-the-counter drugs as a night-time aid for the relief of allergy symptoms. It was also used in the treatment of Parkinson's disease and other motion sickness disorders.
In the 1970s, studies found that methapyrilene caused cancer in rats. As a result, it was withdrawn from the market.
Uses[edit]
Methapyrilene was used as a night-time aid for the relief of allergy symptoms. It was also used in the treatment of Parkinson's disease and other motion sickness disorders.
Side Effects[edit]
The side effects of methapyrilene include drowsiness, dizziness, blurred vision, dry mouth, constipation, and difficulty urinating.
Withdrawal[edit]
Methapyrilene was withdrawn from the market after studies found that it caused cancer in rats.
