Dextromethorphan is a medication used to treat coughs and is classified as a respiratory drug. It is an antitussive, meaning it suppresses the cough reflex. It is available in both prescription and over-the-counter forms, and is commonly found in cough syrups, tablets, and lozenges. It works by blocking the effects of certain chemicals in the brain that cause coughing. It is generally considered safe and effective, but can cause side effects such as drowsiness, dizziness, and nausea. Dextromethorphan is widely used in the treatment of coughs, and is available from many pharmaceutical companies. Some of the major players in the market include Johnson & Johnson, GlaxoSmithKline, Pfizer, Merck, and Novartis. Show Less Read more
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