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Guaifenesin/codeine
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<p>Guaifenesin/codeine is a <a href="/facts/Fixed-dose_combination/pVS5UD72">fixed-dose combination</a> <a href="/facts/Cold_medicine/2Qe0AjMx">cold medicine</a> used for the treatment of cough. It contains <a href="/facts/Guaifenesin/6M5ShWzC">guaifenesin</a>, an <a href="/facts/Expectorant/rw9veqmh">expectorant</a>; and <a href="/facts/Codeine/lr7WHXmX">codeine</a>, as the phosphate, an <a href="/facts/Opioid/EGnE2x99">opioid</a> <a href="/facts/Antitussive/2Qe0AjMx">antitussive</a>. It is taken <a href="/facts/By_mouth/vNQcvLVx">by mouth</a>. </p><p>It was approved for medical use in the United States in 2006. In 2022, it was the 272nd most commonly prescribed medication in the United States, with more than 800,000 prescriptions. </p>