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Dextromethorphan HBr

Pronounced

"dex-trow-meth-OR-fan"

Common brand names:

Benylin, Buckley's, Delsym, Formula 44, Koffex, Triaminic, Vicks Pediatric Formula 44

Uses

This medication is used for temporary relief of coughs without phlegm that are caused by certain infections of the air passages (such as sinusitis, common cold). This product should not usually be used for an ongoing cough from smoking or long-term breathing problems (such as chronic bronchitis, emphysema) unless directed by your doctor. This product contains dextromethorphan. It is a cough suppressant that works by decreasing the feeling of needing to cough.

Cough-and-cold products have not been shown to be safe or effective in children younger than 6 years. Do not use this product to treat cold symptoms in children younger than 6 years unless specifically directed by the doctor. Ask your doctor or pharmacist for more details about using your product safely.

These products do not cure or shorten the length of the common cold and may cause serious side effects. To decrease the risk for serious side effects, carefully follow all dosage directions. Do not use this product to make a child sleepy. Do not give other cough-and-cold medication that might contain the same or similar ingredients (see also Drug Interactions section). Ask the doctor or pharmacist about other ways to relieve cough and cold symptoms (such as drinking enough fluids, using a humidifier or saline nose drops/spray).

How to Use This Medication

Take this medication by mouth, usually every 4 to 12 hours as needed or as directed by your doctor. If stomach upset occurs, take with food or milk. Use a medication-measuring device to measure your dose of liquid medication. Do not use a household spoon because you may not get the correct dose. If you are taking a suspension, shake the product well before measuring out your dose.

Dosage is based on the product you are taking and your age, medical condition, and response to treatment. If you are using this medication for self-treatment (without a prescription from your doctor), follow the specific dosing instructions on the packaging to find the correct dose for your age.

If your doctor directs you to take this medication daily, take it regularly to get the most benefit from it. To help you remember, take it at the same time(s) each day.

Improper use of this medication (abuse) may result in serious harm (such as brain damage, seizure, death). Do not increase your dose, take it more often, or use it for a longer time than prescribed. Properly stop the medication when so directed.

Tell your doctor if your symptoms last or get worse after more than 1 week or if you also have fever, chills, headache, or rash. These may be signs of a more serious condition.

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Drug information is selected from data included with permission and copyrighted by First DataBank, Inc. This is a summary and does not contain all possible information about this product. For complete information about this product or your specific health needs, ask your healthcare professional. Always seek the advice of your healthcare professional if you have any questions about this product or your medical condition. This information is not intended as individual medical advice and does not substitute for the knowledge and judgment of your healthcare professional. This information does not contain any assurances that this product is safe, effective or appropriate for you.

This information is intended only for residents of the United States. Products sold under the same brand names in other countries may contain different ingredients.

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Information expires December 2025.