Resist Temptation to Recommend OTC Dextromethorphan or Guaifenesin for Cough

February 2015

What really works to treat coughs due to respiratory infections?

Patients often reach for OTC products with dextromethorphan and/or guaifenesin. But there's not much evidence they work.

Instead, advise adults to try an oral decongestant and FIRST-generation antihistamine (brompheniramine, etc). These help reduce the postnasal drip that can trigger coughs.

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Resist Temptation to Recommend OTC Dextromethorphan or Guaifenesin for Cough

Get concise advice on drug therapy, plus unlimited access to CE

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