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 ...

Am J Health Syst Pharm. 2008;65(24):2347-2357. Crush one pancrelipase tablet (lipase 8000 units, amylase 30,000 units, protease 30,000 units) to a fine powder, or measure one fourth of a teaspoon ...

If you have a severe or chronic cough that lasts longer than three weeks, it should be evaluated by your healthcare provider. Dextromethorphan is the primary over-the-counter cough suppressant. It is ...