Dextromethorphan for Cough & Cold
Medically reviewed by a licensed pharmacist · Last reviewed
Reviewed against: FDA OTC Monograph
Dose
10-20mg by mouth every 4 hours, OR 30mg every 6-8 hours. Max 120mg/day.
What to watch for
- Maoi use within 14 days
- Ssri concomitant use
Not recommended in pregnancy — check with a pharmacist or your clinician first.
Not for children under 4.
Sources
- FDA OTC Monograph — FDA-OTC-Monograph-DXM-21CFR341
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Where to buy
This page is for general education and is not medical advice. It does not replace a consultation with a licensed pharmacist or your clinician. Always read and follow the product label. If symptoms are severe, worsening, or persistent, seek professional care.