Package insert / product label
Generic name: guaifenesin and pseudoephedrine hydrochloride
Dosage form: tablet, extended release
Drug class: Upper respiratory combinations

Medically reviewed by Drugs.com. Last updated on Nov 21, 2022.

Drug Facts

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

Distributed by:
Reckitt Benckiser Inc.
Parsippany, NJ 07054-0224
©RBI 2009

PRINCIPAL DISPLAY PANEL - 600 mg Carton

NDC 63824-057-18

Mucinex®D

600 mg guaifenesin & 60 mg pseudoephedrine HCl
extended-release bi-layer tablets

EXPECTORANT & NASAL DECONGESTANT

12 HOUR

NEW LOOK-
SAME RELIEF

Thins And Loosens Mucus

Clears Nasal/Sinus Congestion

18 EXTENDED-RELEASE BI-LAYER TABLETS

Frequently asked questions

• Does Mucinex help you get pregnant?
• Which tablets should never be crushed?
• What is the difference between Mucinex D and Mucinex DM?
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View more FAQ

Medical Disclaimer