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 » Health Medications & Vitamins

Certain brands of cough drops are considered safe to take during pregnancy. However, it is always advisable to check with a doctor before using any type of medication while pregnant. 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 » Health Medications & Vitamins
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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 »

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 »

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 » Health Medications & Vitamins

Coricidin HBP Cough & Cold contains the antihistamine chlorpheniramine maleate and the cough suppressant dextromethorphan hydrobromide, according to its manufacturer Bayer. Coricidin HBP Cold & Flu's active ingredients a... More » Health Medications & Vitamins