Mucinex

Medical Editor: John P. Cunha, DO, FACOEP Last updated on RxList:2/6/2023

Drug Summary

What Is Mucinex DM?

Mucinex DM (guaifenesin and dextromethorphan hydrobromide tablet, extended release) is a combination of an expectorant and cough suppressant used to help loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passageways of bothersome mucus and make coughs more productive. Mucinex DM temporarily relieves cough due to minor throat and bronchial irritation as may occur with the common cold or inhaled irritants, the intensity of coughing, and the impulse to cough to help you get to sleep. Mucinex DM is available over-the-counter (OTC).

What Are Side Effects of Mucinex DM?

Mucinex may cause serious side effects including:

  • hives,
  • difficulty breathing,
  • swelling of your face, lips, tongue, or throat,
  • severe dizziness,
  • rash, and
  • itching

Get medical help right away, if you have any of the symptoms listed above.

Side effects of Mucinex DM include:

  • dizziness,
  • drowsiness,
  • nausea, and
  • vomiting.

Seek medical care or call 911 at once if you have the following serious side effects:

  • Serious eye symptoms such as sudden vision loss, blurred vision, tunnel vision, eye pain or swelling, or seeing halos around lights;
  • Serious heart symptoms such as fast, irregular, or pounding heartbeats; fluttering in your chest; shortness of breath; and sudden dizziness, lightheadedness, or passing out;
  • 严重头痛、混乱、口齿不清、手臂或leg weakness, trouble walking, loss of coordination, feeling unsteady, very stiff muscles, high fever, profuse sweating, or tremors.

This document does not contain all possible side effects and others may occur. Check with your physician for additional information about side effects.

Dosage for Mucinex DM

The dose of Mucinex DM for adults and children 12 years and older is 1 or 2 tablets every 12 hours; not more than 4 tablets in 24 hours.

Mucinex DM In Children

Mucinex DM is not recommended for use in children under 12 years of age.

What Drugs, Substances, or Supplements Interact with Mucinex DM?

Mucinex DM may interact with other medicines.

Tell your doctor all medications and supplements you use.

怀孕和哺乳期间Mucinex DM

Tell your doctor if you are pregnant or plan to become pregnant before using Mucinex DM. Consult your doctor before breastfeeding.

Additional Information

Our Mucinex DM (guaifenesin and dextromethorphan hydrobromide tablet, extended release) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Drug Description


DESCRIPTION

Active ingredients (in each extended-release bi-layer tablet)

Dextromethorphan HBr 30 mg

Guaifenesin 600 mg Expectorant

Indications & Dosage

INDICATIONS

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

HOW SUPPLIED

Storage And Handling

Store at 20-25°C (68-77°F)

Inactive ingredients

carbomer homopolymer type B; D&C yellow #10 aluminum lake; hypromellose, USP; magnesium stearate, NF; microcrystalline cellulose, NF; sodium starch glycolate, NF

Questions?

1-866-MUCINEX (1-866-682-4639)

You may also report side effects to this phone number.

Manufactured by: Dist. by: RB Health (US) Parsippany, NJ 07054-0224. Made in England. Revised: N/A

Side Effects & Drug Interactions

SIDE EFFECTS

No information is available.

DRUG INTERACTIONS

No information is available.

Warnings & Precautions

警告INGS

Do not use

  • for children under 12 years of age
  • if you are now taking a prescriptionmonoamine 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 yourprescription drugcontains an MAOI, ask a doctor or pharmacist before taking this product.

Ask a doctor before use if you have

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.

PRECAUTIONS

No information provided.

Overdose & Contraindications

OVERDOSE

No information is available.

CONTRAINDICATIONS

No information is available.

Clinical Pharmacology

CLINICAL PHARMACOLOGY

No information provided.

Medication Guide

PATIENT INFORMATION

No information provided. Please refer to the警告INGS AND PRECAUTIONSsection.

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You are encouraged to report negative side effects of prescription drugs to the FDA. Visit theFDA MedWatchwebsite or call 1-800-FDA-1088.

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