Dextromethorphan Hydrobromide
Dextromethorphan Hydrobromide is an over-the-counter cough suppressant used to temporarily relieve cough caused by the common cold, flu, or other respiratory conditions. It works by suppressing the cough reflex in the brain.
An over-the-counter cough suppressant that acts on the brain's cough center to reduce the urge to cough.
Key facts at a glance
- RxNorm
- 102490
- Generic
- Dextromethorphan Hydrobromide
- Class
- pin-variant
- Brands
- Cepacol Sore Throat Plus Cough, Nuedexta, Chloraseptic Sore Throat + Cough, Mielim Y Mas, DayQuil Cough, Scot-tussin Diabetic CF, Buckley's Cough Suppressant, Cepastat Sore Throat & Cough, Babee Cof, Bromfed DM
- Availability
- rx
- Lactation
- unknown
- Routes
- —
- Forms
- —
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Used to temporarily relieve cough associated with upper respiratory infections such as the common cold, flu, allergies, or sinus infections.
Acts on the cough center in the medulla oblongata to suppress the cough reflex. It is also an NMDA receptor antagonist and sigma-1 receptor agonist.
Should not be used with MAOIs or within 14 days of stopping them. May cause drowsiness. High doses can produce dissociative effects and should be avoided. Consult a doctor before use in children.
Official drug label
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 28, 2026. · Read our editorial policy