What other drugs affect Robitussin Cough Sugar-Free DM (Dextromethorphan Guaifenesin)?
Before taking this medication, tell your doctor if you are using any of the following drugs: celecoxib (Celebrex) cinacalcet (Sensipar) darifenacin (Enablex) imatinib (Gleevec) quinidine (Quinaglute, Quinidex) ranolazine (Ranexa) ritonavir (Norvir) sibutramine (Meridia) terbinafine (Lamisil) medicines to treat high blood pressure; or antidepressant medications such as amitriptyline (Elavil, Etrafon), bupropion (Wellbutrin, Zyban), fluoxetine (Prozac, Sarafem), fluvoxamine (Luvox), imipramine (Janimine, Tofranil), paroxetine (Paxil), sertraline (Zoloft), others If you are using any of these drugs, you may not be able to use dextromethorphan and guaifenesin, or you may need dosage adjustments or special tests during treatment. There may be other drugs not listed that can affect dextromethorphan and guaifenesin. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do