Another limitation is we cannot define the exact amount of DM used; however, we do know that the dose of DM in over-the-counter preparations is either 15 mg or 30 mg per dose. Finally, the biggest ...
Honey and over-the-counter medicines should be the first ... Cough medicines containing pelargonium, guaifenesin or dextromethorphan might also be beneficial, they say. Patients are being ...
Martinak B, Bolis RA, Black JR, Fargason RE, Birur B. Dextromethorphan in Cough Syrup: The Poor Man's Psychosis. Psychopharmacology Bulletin. 2017; 47(4):1-5 ...