Important: This page is general information, not medical advice. It does not recommend or prescribe any treatment. Always consult your doctor or pharmacist before starting, stopping or changing any medicine.
Quick facts
- How it is given
- oral
- Type
- human otc drug
- Brand names
- 12 hr relief cough dm
- RxNorm ID
- 1373045
We do not publish dosing. How much of this medicine to take, how often, and for how long depends on your age, weight, kidney and liver function, other conditions and other medicines. That is a decision for the person who prescribes or dispenses it. Follow the directions on your own pack and ask your pharmacist if anything is unclear.
What it is used to treat
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
Do not use if
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.
Warnings
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. Ask a doctor before use if you have • chronic cough that lasts as occurs with smoking, asthma or emphysema • cough that occurs with too much phlegm (mucus) Stop use and ask a doctor if • side effects occur. You may report side effects to FDA at 1-800-FDA-1088. • cough lasts more than 7 days, cough comes back, or occurs with fever, rash or headache that lasts. These could be signs of a serious condition. If pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away (1-800-222-1222).
Ask a doctor before use if
Ask a doctor before use if you have • chronic cough that lasts as occurs with smoking, asthma or emphysema • cough that occurs with too much phlegm (mucus)
Stop use and see a doctor if
Stop use and ask a doctor if • side effects occur. You may report side effects to FDA at 1-800-FDA-1088. • cough lasts more than 7 days, cough comes back, or occurs with fever, rash or headache that lasts. These could be signs of a serious condition.
Pregnancy and breastfeeding
If pregnant or breast-feeding, ask a health professional before use.
Storing it safely
Other information • each 5 mL contains: sodium 5 mg • store at 20° to 25°C (68° to 77°F) • dosing cup provided
Keeping it away from children
Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away (1-800-222-1222).
Active ingredient
Active ingredient (in each 5 mL) Dextromethorphan polistirex equivalent to 30 mg dextromethorphan hydrobromide
Other ingredients
Inactive ingredients artificial grape flavor, D&C Red #30 aluminum lake, FD&C Blue #1 aluminum lake, glycerin, high fructose corn syrup, methylparaben, polysorbate 80, polyvinyl acetate, povidone, propylparaben, purified water, sodium metabisulfite, sodium polystyrene sulfonate, sucrose, tartaric acid, tragacanth gum, triacetin, xanthan gum
Before you take anything new
Tell your pharmacist or doctor about every medicine you take — including ones bought without a prescription, herbal products and supplements. Interactions are one of the most common avoidable causes of harm from medicines, and a pharmacist can check your full list in a couple of minutes.
This page is built from the openFDA record of the U.S. Food and Drug Administration's approved labelling for this product, effective 8 July 2026. Label text has been shortened and reformatted for readability; safety wording has not been altered in meaning. FDA labelling describes products approved in the United States — brand names, strengths, formulations and approved uses may differ in your country. Always read the leaflet that comes with your own pack. PocketsInfo is not affiliated with, and is not endorsed by, the FDA. Retrieved 2026-07-30.