Mucinex

Medical Editor: John P. Cunha, DO, FACOEP Last updated on RxList: 11/4/2021
Drug Description

What is Mucinex and how is it used?

Mucinex is an over-the-counter medicine used to treat the symptoms of Cough. Mucinex may be used alone or with other medications.

Mucinex belongs to a class of drugs called Expectorants. 

It is not known if Mucinex is safe and effective in children younger than 6 months of age. 

What are the possible side effects of Mucinex?

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.

The most common side effects of Mucinex include:

  • nausea, and
  • vomiting

Tell the doctor if you have any side effect that bothers you or that does not go away.

These are not all the possible side effects of Mucinex. For more information, ask your doctor or pharmacist.

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.


 

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

QUESTION

Which illness is known as a viral upper respiratory tract infection? See Answer
Side Effects & Drug Interactions

SIDE EFFECTS

No information is available.

DRUG INTERACTIONS

No information is available.

Warnings & 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

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.

Overdosage & 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 WARNINGS AND PRECAUTIONS section.

FDA Logo

Report Problems to the Food and Drug Administration

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

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