Maximum Strength Mucus Relief
Guaifenesin · Tablet, Extended Release · Oral
Active ingredient
ACTIVE INGREDIENT(in each extended-release tablet) Guaifenesin 1200 mg
Purpose
Expectorant
Uses
USE(S) helps loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passageways of bothersome mucus and make coughs more productive
Warnings
WARNING .
Do not use
DO NOT USE for children under 12 years of age
Ask a doctor before use
ASK A DOCTOR BEFORE USE IF YOU HAVE persistent or chronic cough such as occurs with smoking, asthma, chronic bronchitis, or emphysema cough accompanied by too much phlegm (mucus)
Stop use and ask a doctor
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.
Pregnancy or breast-feeding
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 (1-800-222-1222).
Directions
DIRECTIONS do not crush, chew, or break tablet take with a full glass of water this product can be administered without regard for the timing of meals adults and children 12 years of age and over: 1 tablet every 12 hour. Do not exceed 2 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 between 20 to 25°C (68 to 77°F)
Inactive ingredients
INACTIVE INGREDIENTS carbomer homopolymer, hypromellose, microcrystalline cellulose, povidone
Label text from the FDA structured product label by Strategic Sourcing Services LLC (revised Sep 9, 2026). Long sections are shortened; the complete label is on DailyMed.
Active ingredients
- Guaifenesin in 7 products
- Dextromethorphan Hydrobromide in 3 products
- Phenylephrine Hydrochloride in 2 products
- Acetaminophen in 1 product
Maximum Strength Mucus Relief NDC products (7)
| NDC | Strength & form | Labeler | Type |
|---|---|---|---|
| 63868-148 | Guaifenesin 1200 mg/1 Tablet, Extended Release | CHAIN DRUG MARKETING ASSOCIATION INC | ANDA |
| 41226-724 | Guaifenesin 1200 mg/1 Tablet, Extended Release | KROGER COMPANY | ANDA |
| 68196-033 | Guaifenesin 1200 mg/1 Tablet, Extended Release | SAM'S WEST INC | ANDA |
| 70677-1320 | Guaifenesin 1200 mg/1 Tablet, Extended Release | Strategic Sourcing Services LLC | ANDA |
| 83324-143 | Dextromethorphan Hydrobromide 20 mg/20mL; Guaifenesin 400 mg/20mL; Phenylephrine Hydrochloride 10 mg/20mL;… Liquid | Chain Drug Marketing Association Inc. | OTC MONOGRAPH DRUG |
| 42507-617 | Dextromethorphan Hydrobromide 20 mg/20mL; Guaifenesin 400 mg/20mL; Phenylephrine Hydrochloride 10 mg/20mL Liquid | Hyvee Inc | OTC MONOGRAPH DRUG |
| 42507-630 | Dextromethorphan Hydrobromide 20 mg/20mL; Guaifenesin 400 mg/20mL Liquid | Hyvee Inc | OTC MONOGRAPH DRUG |
Frequently asked questions
What is Maximum Strength Mucus Relief used for?
USE(S) helps loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passageways of bothersome mucus and make coughs more productive
Who makes Maximum Strength Mucus Relief?
Maximum Strength Mucus Relief is listed by 6 labelers in the FDA NDC directory, including CHAIN DRUG MARKETING ASSOCIATION INC, KROGER COMPANY, SAM'S WEST INC, Strategic Sourcing Services LLC.