Hydromet syrup is an anticholinergic and narcotic cough suppressant used to temporarily relieve coughs, according to It works by drying up secretions in the throat and suppressing the cough reflex in the brain... More » Health Medications & Vitamins

WebMD publishes a long list of common prescription medications used to treat the symptoms of cough. They are identified by generic name and common brand names. More » Health Medications & Vitamins

Hydrocodone/homatropine syrup is a cough suppressant consisting of an anticholinergic and a narcotic, according to The anticholinergic dries secretions, while hydrocodone, the narcotic, suppresses the brain's ... More » Health Medications & Vitamins
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The letters "DM" in cough syrup are an abbreviation of dextromethorphan, which is a cough suppressant that belongs to a group of drugs called antitussives. It works in the brain to reduce the desire to cough. More » Health Medications & Vitamins

Dextromethorphan is the most common effective cough suppressant for relief of a dry cough, according to WebMD. Coughs that produce mucus are generally helpful to clear the lungs and should not be treated with a cough sup... More » Health Medications & Vitamins

Robitussin DM's two active ingredients are dextromethorphan, which is a cough suppressant, and guaifenesin, which is an expectorant. Some of Robitussin DM's inactive ingredients are menthol, high fructose corn syrup, pur... More » Health Medications & Vitamins

WebMD states that M-End WC is a product composed of a decongestant, a narcotic cough suppressant and an antihistamine to treat common cold, hay fever, allergies and breathing illness symptoms. It is a potent medicine tha... More » Health Medications & Vitamins