Informational only — Not medical advice. Always consult a licensed healthcare provider.

Community data Updated 2 months ago

Indications & Uses

Dexophan is indicated for:

Dosage Reference

Reference Information Only

Dosages shown are general references from official sources. Always consult your doctor or pharmacist for personalized dosing.

Adults:

Adults and children over 12 years may take 15 to 30 mg, three to four times a day. Doses of up to 60 mg, taken up to four times a day, have also been used without any increase in side effects. For children between 6 and 12 years, the usual dose is 5 to 15 mg, up to four times a day. For children between 2 and 6 years, the usual dose is 2.5 to 5 mg, up to four times a day.

Side Effects

Adverse reactions to Dextromethorphan are uncommon, though it can occasionally cause nausea or dizziness. It does not relieve pain, is not addictive, and causes little to no CNS depression. In cases of overdose, excitation, confusion, and respiratory depression may occur.

Cautions & Contraindications

Warnings & Precautions

Do not use dextromethorphan to treat a cough caused by smoking, asthma, or emphysema, or a cough that brings up mucus or phlegm.

Contraindications

Concomitant use with monoamine oxidase inhibitors is contraindicated for patients taking Dextromethorphan Hydrobromide. Because dextromethorphan is broken down extensively by the liver, it should be used with caution in patients who have liver disease.

Drug Interactions

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Last updated: 15 Aug 2026