What is dextromethorphan and promethazine?

Dextromethorphan and promethazine is a prescription medication used to treat the symptoms of colds and allergies. This includes coughing, sneezing, watery eyes, and runny nose. It is a combination of two drugs. Dextromethorphan is a cough suppressant that works to control the brain signals that trigger coughing. Promethazine is an antihistamine that treats sneezing, watery eyes, and runny nose by hindering the impact of the chemical in the body known as histamine.

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What are the side effects of nasal cromolyn?
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What is a decongestant?
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Can I overdose on Benadryl?
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.