Children's Cough Syrup Recalled The Perrigo Company is voluntarily recalling two batches of its children's guaifenesin grape liquid and three batches of its children's guaifenesin DM cherry liquid.

So can the cough suppressant dextromethorphan (the "DM" in your cough syrup). Combining the two may result in serotonin syndrome (Primary Care Companion for CNS Disorders, Vol. 14, No. 6, 2012 ...

So can the cough suppressant dextromethorphan (the "DM" in your cough syrup). Combining the two may result in serotonin syndrome (Primary Care Companion for CNS Disorders, Vol. 14, No. 6, 2012 ...

– Robitussin DM ($5.14 for 4 ounces): The strictly cough-suppressant formulas, for some reason, didn’t taste as good as the NyQuil. But of these, the Robitussin was best.

So can the cough suppressant dextromethorphan (the “DM” in your cough syrup). Combining the two may result in serotonin syndrome (Primary Care Companion for CNS Disorders, Vol. 14, No. 6, 2012 ...

So can the cough suppressant dextromethorphan (the "DM" in your cough syrup). Combining the two may result in serotonin syndrome (Primary Care Companion for CNS Disorders, Vol. 14, No. 6, 2012 ...