A cough suppressant's effectiveness depends on the type of cough. Antitussives such as Triaminic, Robitussin and Vicks treat a dry cough, while expectorants made by Mucinex and Robitussin are best for a moist, productive... More »

Mother Earth Living’s horehound cough drops and Learning Herbs’ herbal cough drops are two recipes to make homemade cough drops, according to the Mother Earth Living and Learning Herbs websites. The first uses fresh hore... More »

Horehound cough drops contain natural expectorants that loosen phlegm in the throat, making it easier to cough it up, notes WebMD. The drops are made from the white horehound plant, which is also used to make many other ... More »

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Fifty-three percent of pharmacists recommend Delsym as their top cough suppressant, according to U.S. News & World Report. Mucinex and Robitussin tied among the pharmacists, each gaining 21 percent of the votes. Vicks Ny... More »

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 »

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 »

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 »