Background: Dextromethorphan (DM), the d-isomer of the codeine analog levorphanol, is an active ingredient present in a variety of cough and cold remedies. Recently, data generated from a study in ...
Acetaminophen 160mg, chlorpheniramine maleate 1mg, dextromethorphan HBr 5mg, phenylephrine HCl 2.5mg; per 5mL; susp; grape flavor. <4yrs (<36lbs): do not use. 4–5yrs (36lbs–47lbs): not ...