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What is chlorpheniramine, dextromethorphan, and phenylephrine?

April 26, 2017alka-seltzer antihistamine chlorpheniramine cold cough Dextromethorphan effervescent phenylephrine Plus tablets

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What is chlorpheniramine, dextromethorphan, and phenylephrine?

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Chlorpheniramine is an antihistamine that reduces the natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose. Dextromethorphan is a cough suppressant. It affects the signals in the brain that trigger cough reflex. Phenylephrine is a decongestant that shrinks blood vessels in the nasal passages. Dilated blood vessels can cause nasal congestion (stuffy nose). Chlorpheniramine, dextromethorphan, and phenylephrine is used to treat sneezing, cough, runny or stuffy nose, itchy or watery eyes, hives, skin rash, itching, and other symptoms of allergies and the common cold. Dextromethorphan will not treat a cough that is caused by smoking, asthma, or emphysema. Chlorpheniramine, dextromethorphan, and phenylephrine may also be used for other purposes not listed in this medication guide.What should I discuss with my healthcare provider before taking chlorpheniramine, dextromethorphan, and phenylephrine?