Guaifenesin, Dextromethorphan Hydrobromide

FDA Drug Information • Also known as: Mucus Dm Extended Release

Brand Names: Mucus Dm Extended Release
Drug Class: Expectorant [EPC]
Route: ORAL
Dosage Form: TABLET, EXTENDED RELEASE
Product Type: HUMAN OTC DRUG

What Is Guaifenesin, Dextromethorphan Hydrobromide Used For?

Uses

helps loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passageways of bothersome mucus and make coughs more productive

temporarily relieves:

cough due to minor throat and bronchial irritation as may occur with the common cold or inhaled irritants

the intensity of coughing

the impulse to cough to help you get to sleep

Dosage and Administration

Directions

do not crush, chew, or break tablet

take with a full glass of water

this product can be administered without regard for timing of meals

adults and children 12 years and older: 1 or 2 tablets every 12 hours; not more than 4 tablets in 24 hours

children under 12 years of age: do not use

Warnings and Precautions

Warnings Do not use

for children under 12 years of age

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. Ask a doctor before use if you have

persistent or chronic cough such as occurs with smoking, asthma, chronic bronchitis, or emphysema

cough accompanied by too much phlegm (mucus) When using this product

do not use more than directed Stop use and ask a doctor if

cough lasts more than 7 days, comes back, or occurs with fever, rash, or persistent headache. These could be signs of a serious illness. 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)

About This Information

This drug information is sourced from FDA-approved labeling via the openFDA database. It is intended for educational and reference purposes only. This is not medical advice. Always consult your healthcare provider before making decisions about medication. Drug information may be updated by the FDA; check with your pharmacist for the most current information.

What are side effects?

Side effects are unwanted reactions that can occur when taking a medication. They range from mild (headache, nausea) to severe (allergic reactions, organ damage). Not everyone experiences side effects, and severity varies. Report any concerning side effects to your doctor.

What are drug interactions?

Drug interactions occur when a medication is affected by another drug, food, or supplement. Interactions can make medications less effective or cause dangerous side effects. Always tell your doctor about all medications and supplements you take.