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Clemastine

Antihistamine1967
Drug ClassAntihistamine
Year Approved1967
Conditions TreatedAllergies
AvailabilityOTC

About Clemastine

A first generation antihistamine with anticholinergic properties. Clemastine or Tavist treats allergic rhinitis and hives. It is more sedating than second generation antihistamines. Recent research has identified clemastine as a potential remyelinating agent, meaning it may help repair the protective coating around nerves damaged in multiple sclerosis. Clinical trials are ongoing. This repurposing of an old antihistamine demonstrates how existing drugs may have unexpected therapeutic applications.

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