About dextromethorphan + guaifenesin
Cough suppressant and expectorant
Used for
- Temporarily relieves cough
- Helps loosen and clear chest mucus
Usual adult dose
Typically dextromethorphan 10–20 mg and guaifenesin 200–400 mg every four hours, as needed; follow product directions.
Usual dose in children
For ages 6–11, typically dextromethorphan 5–10 mg and guaifenesin 100–200 mg every four hours; follow product directions. Not for children under 6 without medical advice.
Common side effects
- Drowsiness or dizziness
- Nausea or stomach upset
- Headache
Important warnings
- Do not combine with other products containing these ingredients.
- Avoid alcohol and use caution with activities requiring alertness.
- Seek medical advice for persistent cough, breathing problems, or high fever.
- Dextromethorphan misuse can cause serious harm.
Pregnancy
Safety is not well established; use only if a healthcare professional considers it necessary.
Breastfeeding
Information is limited; consult a healthcare professional before use.
Interactions
- Monoamine oxidase inhibitors, including use within the previous 14 days
- Some antidepressants and other medicines that increase serotonin
- Alcohol and medicines that cause drowsiness
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.