Drug Interactions With Clemastine

Acetylcholinesterase inhibitors, phenothiazines, and monoamine oxidase inhibitors are some of the medications that may cause clemastine drug interactions. These interactions could increase your risk of side effects (such as drowsiness, dry mouth, constipation, dry eyes, or difficulty urinating) or reduce the effectiveness of the medicines. In order to help prevent interactions, tell your healthcare provider about all other medications you are taking.

Drug Interactions With Clemastine: An Overview

Clemastine fumarate (Tavist® Allergy, Dayhist® Allergy) can potentially interact with a number of other medications. Some of the medicines that may lead to clemastine drug interactions include (but are not limited to):
 
  • Alcoholic beverages
  • Acetylcholinesterase inhibitor medications, including:

 

 

  • Anticholinergic drugs, such as:

 

 

  • Monoamine oxidase inhibitors (MAOIs), including:

 

 

  • Other medications that cause drowsiness, including, but not limited to:

 

 

  • Phenothiazine medications, including:

 

 

(Drug Interactions With Clemastine Continued: Page 2)
Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD;
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