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 »

www.reference.com 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 »

www.reference.com 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 »

www.reference.com 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 »

www.reference.com Health Medications & Vitamins

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 »

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 »