Concurrent nonselective monoamine oxidase inhibitors are contraindicated for dextromethorphan because of the risk for serotonin syndrome. Dextromethorphan is in category C for pregnancy, to be used with caution if benefits outweigh risks. No dose adjustment is needed for older patients.
Learn more about dextromethorphan.
This Rapid Review Quiz was excerpted and adapted from the Medscape articles: Honey as a Cough Suppressant in Children: Does It Work?, Benzonatate, and Cough, Cold, and Allergy Preparation Toxicity.
Lead image: Dana Bartekoske Heinemann/Dreamstime
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Cite this: Mary L. Windle. Rapid Rx Quiz: Cough Suppressants (Antitussives) - Medscape - Apr 19, 2023.