Dextromethorphan Hydrobromide

Indications

Uses temporarily relieves • cough due to minor throat and bronchial irritation as may occur with the common cold or inhaled irritants • the impulse to cough to help you get to sleep

Dosage and administration (summary)

Directions • shake bottle well before use • measure only with dosing cup provided • do not use dosing cup with other products • dose as follows or as directed by a doctor • mL = milliliter adults and children 12 years of age and over 10 mL every 12 hours, not to exceed 20 mL in 24 hours children 6 to under 12 years of age 5 mL every 12 hours, not to exceed 10 mL in 24 hours children 4 to under 6 years of age 2.5 mL every 12 hours, not to exceed 5 mL in 24 hours children under 4 years of age do not use

Warnings and precautions

Warnings Do not use if you are now taking a prescription monoamine oxidase inhibitor (MAOI) (certain drugs for depression, psychiatric or emotional conditions, or Parkinson’s disease), or for 2 weeks after stopping the MAOI drug. If you do not know if your prescription drug contains an MAOI, ask a doctor or pharmacist before taking this product. Allergy Alert: Contains sodium metabisulfite, a sulfite that may cause allergic-type reactions.

Storage and supply

Other information • each 5 mL contains: sodium 5 mg • store at 20° to 25°C (68° to 77°F) • dosing cup provided

Source: Dextromethorphan Polistirex (12 Hr Relief Cough Dm) — US FDA prescribing information, 2026-09-16, DailyMed. Summarised and shortened; the full label governs. Iranian registration, indications and labelling may differ.