Mucinex D
Guaifenesin and Pseudoephedrine Hydrochloride · Tablet, Extended Release · Oral
Active ingredient
Active ingredients (in each extended-release tablet) Purposes Guaifenesin 600 mg Expectorant Pseudoephedrine HCl 60 mg Nasal Decongestant
Purpose
Active ingredients (in each extended-release tablet) Purposes Guaifenesin 600 mg Expectorant Pseudoephedrine HCl 60 mg Nasal Decongestant
Uses
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
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.
Do not use
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
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
When using this product do not use more than directed
Stop use and ask a doctor
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.
Pregnancy or breast-feeding
If pregnant or breast-feeding, ask a health professional before use.
Keep out of reach of children
Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away.
Directions
Directions do not crush, chew, or break extended-release 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 extended-release tablets every 12 hours; not more than 4 extended-release tablets in 24 hours children under 12 years of age: do not use
Other information
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
Inactive ingredients carbomer homopolymer type B; FD&C yellow no. 6 aluminum lake; hypromellose, USP; magnesium stearate, NF; microcrystalline cellulose, NF; sodium starch glycolate, NF
Questions?
Questions? 1-866-MUCINEX (1-866-682-4639)
Label text from the FDA structured product label by Reckitt Benckiser LLC (revised May 27, 2026). Long sections are shortened; the complete label is on DailyMed.
Active ingredients
- Guaifenesin in 4 products
- Pseudoephedrine Hydrochloride in 4 products
Mucinex D NDC products (4)
| NDC | Strength & form | Labeler | Type |
|---|---|---|---|
| 50090-1075 | Guaifenesin 600 mg/1; Pseudoephedrine Hydrochloride 60 mg/1 Tablet, Extended Release | A-S Medication Solutions | NDA |
| 50090-1076 | Guaifenesin 600 mg/1; Pseudoephedrine Hydrochloride 60 mg/1 Tablet, Extended Release | A-S Medication Solutions | NDA |
| 63824-041 | Guaifenesin 1200 mg/1; Pseudoephedrine Hydrochloride 120 mg/1 Tablet, Extended Release | Reckitt Benckiser LLC | NDA |
| 63824-057 | Guaifenesin 600 mg/1; Pseudoephedrine Hydrochloride 60 mg/1 Tablet, Extended Release | Reckitt Benckiser LLC | NDA |
Frequently asked questions
What is Mucinex D 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 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
Who makes Mucinex D?
Mucinex D is listed by 2 labelers in the FDA NDC directory, including A-S Medication Solutions, Reckitt Benckiser LLC.