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Guaifenesin and Pseudoephedrine Extended-Release Package Insert

Status:
Prescription (Rx) Facts
Strength:
600 mg, 60 mg
Active ingredients:

Prescribing information (package insert) - Guaifenesin and Pseudoephedrine Extended-Release

Drug Facts

Active ingredients (in each extended-release bi-layer tablet)Purpose
Guaifenesin 600 mgExpectorant
Pseudoephedrine HCl 60 mgNasal Decongestant

Uses

  • helps loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passageways of bothersome mucus and make coughs more productive
  • temporarily relieves nasal congestion due to:

    • common cold
    • hay fever
    • upper respiratory allergies
  • temporarily restores freer breathing through the nose
  • promotes nasal and/or sinus drainage
  • temporarily relieves sinus congestion and pressure

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.

Ask a doctor before use if you have

  • heart disease
  • high blood pressure
  • thyroid disease
  • diabetes
  • trouble urinating due to an enlarged prostate gland
  • 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

  • you get nervous, dizzy, or sleepless
  • symptoms do not get better within 7 days, come back or occur with a 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.

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: 2 tablets every 12 hours; not more than 4 tablets in 24 hours
  • children under 12 years of age: do not use

Other information

  • tamper evident: do not use if carton is open or if printed seal on blister is broken or missing
  • store at 20-25°C (68-77°F)

Inactive ingredients

carbomer 934P, NF; FD&C yellow #6 aluminum lake; hypromellose, USP; magnesium stearate, NF; microcrystalline cellulose, NF; sodium starch glycolate, NF

How Supplied

Mucinex®D is supplied by Dispensing Solutions Inc. as follows:

NDCStrengthQuantity/FormColorSource NDC
68258-3035-1600 mg / 60 mg18 TabletsWHITE63824-057-18

This product was:

Distributed by:

Reckitt Benckiser Inc.

Parsippany, NJ 07054-0224

And Relabeled By:

Dispensing Solutions Inc.

3000 West Warner Ave

Santa Ana, CA 92704

United States

About this document

Source: FDA drug labeling via NLM DailyMed · Application number: NDA 021585 · View the label on DailyMed

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The information on this site does not replace the advice of a doctor or pharmacist.

Drug information for Guaifenesin and Pseudoephedrine Extended-Release

Rx or OTC
Prescription (Rx)?
  • This drug is available only with a prescription from a licensed healthcare provider.
  • Rx
Drug class Expectorant, alpha-Adrenergic Agonist
Active ingredients Guaifenesin 600 mg, Pseudoephedrine hydrochloride 60 mg
Dosage form Tablet, extended release
Route Oral
Marketing status not in the current FDA NDC Directory
Company (applicant) RECKITT BENCKISER
FDA approval NDA 021585New Drug Application (NDA) Approved June 22, 2004
Reference listed drug This is the reference listed drug (RLD) that generics are compared with.
Packages (NDC)
Package
600 mg, 60 mg – 9 in 1 blister pack / 2 in 1 carton NDC 68258-3035-1

Source: FDA drug labeling via NLM DailyMed, data as of October 31, 2026. FDA data (DailyMed, Orange Book, Drug Shortages, enforcement reports). Not a substitute for the advice of a doctor or pharmacist.