About dextromethorphan hydrobromide + phenylephrine hydrochloride + sodium citrate + carbinoxamine maleate per
Cough suppressant, decongestant, antihistamine, expectorant
Used for
- Relief of cough and nasal congestion associated with colds or allergies.
- May help loosen mucus and relieve runny nose or sneezing.
Usual adult dose
Doses vary by product and country; follow the package label or a clinician’s directions.
Usual dose in children
Doses vary by age and product; use only as labeled or directed by a clinician. Not for children under 4 unless advised.
Common side effects
- Sleepiness or dizziness
- Dry mouth, blurred vision, or constipation
- Nausea or stomach upset
- Restlessness or trouble sleeping
Important warnings
- May cause drowsiness; avoid alcohol and use caution driving.
- Do not combine with other products containing dextromethorphan, phenylephrine, or antihistamines.
- Dextromethorphan can interact dangerously with MAO inhibitors and some antidepressants.
- Phenylephrine may raise blood pressure or heart rate; seek advice with heart disease or hypertension.
Pregnancy
Safety is not well established; use only when a healthcare professional considers it necessary.
Breastfeeding
Safety is not well established; consult a healthcare professional before use.
Interactions
- MAO inhibitors, including use within the previous 14 days
- Some antidepressants, including SSRIs and SNRIs
- Alcohol, sedatives, and other medicines causing drowsiness
- Other decongestants or cold-and-cough medicines
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 It may be incomplete or out of date.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.