MAXIMUM STRENGTH MUCUS RELIEF- dextromethorphan hbr, guaifenesin liquid

Maximum Strength Mucus Relief by

Drug Labeling and Warnings

Maximum Strength Mucus Relief by is a Otc medication manufactured, distributed, or labeled by Hyvee Inc, Guardian Drug Company. Drug facts, warnings, and ingredients follow.

Drug Details [pdf]

ACTIVE INGREDIENTS (in each 20 mL)

Dextromethorphan HBr, 20 mg

Guaifenesin, 400 mg

PURPOSE

Cough Suppressant

Expectorant

USE(S)

• helps loosen phlegm (mucus) and thin bronchial secretions to drain bronchial tubes and make coughs more productive
• temporarily relieves:
• cough due to minor throat and bronchial irritation as may occur with a cold or inhaled irritants
• the intensity of coughing
• the impulse to cough to help you get to sleep

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

• persistent or chronic cough such as occurs with smoking, asthma, chronic bronchitis or emphysema
• cough that occurs with too much phlegm (mucus)

WHEN USING THIS PRODUCT

 do not use more than directed

STOP USE AND ASK 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 condition.

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 take more than 6 doses in any 24-hour period
• measure only with dosing cup provided
• do not use dosing cup with other products
• dose as follows or as directed by a doctor
• Adults & children 12 years & older: 20 mL every 4 hours
• Children under 12 years of age: Do not use

OTHER INFORMATION

• each 20 mL contains: potassium 20 mg, sodium 20 mg
• store between 15-30°C (59-86°F)
• do not refrigerate
• dosing cup provided

INACTIVE INGREDIENTS

citric acid anhydrous, dextrose, D&C red # 33, FD&C Red #40,  flavors, glycerin, methylparaben, potassium sorbate, propylene glycol, propylparaben, purified water, saccharin sodium, sodium hydroxide, sorbitol, sucralose, xanthan gum

PACKAGE LABEL.PRINCIPAL DISPLAY PANEL

HyVee®

 

*COMPARE TO the Active Ingredients in Maximum Strength MUCINEX® FAST MAX DM MAX

Maximum Strength
Mucus Relief 

Cough Suppressant / Expectorant

 

Controls Cough 

Relieves Chest Congestion    

Thins and loosens Mucus

6 FL OZ (177 mL)

CHERRY FLAVOR

 

INGREDIENTS AND APPEARANCE

MAXIMUM STRENGTH MUCUS RELIEF 
dextromethorphan hbr, guaifenesin liquid

Product Information
Product Type	HUMAN OTC DRUG	Item Code (Source)	NDC: 42507-630
Route of Administration	ORAL

Active Ingredient/Active Moiety
Ingredient Name	Basis of Strength	Strength
DEXTROMETHORPHAN HYDROBROMIDE (UNII: 9D2RTI9KYH) (DEXTROMETHORPHAN - UNII:7355X3ROTS)	DEXTROMETHORPHAN HYDROBROMIDE	20 mg  in 20 mL
GUAIFENESIN (UNII: 495W7451VQ) (GUAIFENESIN - UNII:495W7451VQ)	GUAIFENESIN	400 mg  in 20 mL

Inactive Ingredients
Ingredient Name	Strength
ANHYDROUS CITRIC ACID (UNII: XF417D3PSL)
D&C RED NO. 33 (UNII: 9DBA0SBB0L)
DEXTROSE, UNSPECIFIED FORM (UNII: IY9XDZ35W2)
FD&C RED NO. 40 (UNII: WZB9127XOA)
GLYCERIN (UNII: PDC6A3C0OX)
METHYLPARABEN (UNII: A2I8C7HI9T)
POTASSIUM SORBATE (UNII: 1VPU26JZZ4)
PROPYLENE GLYCOL (UNII: 6DC9Q167V3)
PROPYLPARABEN (UNII: Z8IX2SC1OH)
WATER (UNII: 059QF0KO0R)
SACCHARIN SODIUM (UNII: SB8ZUX40TY)
SODIUM HYDROXIDE (UNII: 55X04QC32I)
SORBITOL (UNII: 506T60A25R)
SUCRALOSE (UNII: 96K6UQ3ZD4)
XANTHAN GUM (UNII: TTV12P4NEE)

Product Characteristics
Color	RED	Score
Shape		Size
Flavor	CHERRY	Imprint Code
Contains

Packaging
#	Item Code	Package Description	Marketing Start Date	Marketing End Date
1	NDC: 42507-630-58	177 mL in 1 BOTTLE; Type 0: Not a Combination Product	03/23/2026

Marketing Information
Marketing Category	Application Number or Monograph Citation	Marketing Start Date	Marketing End Date
OTC Monograph Drug	M012	03/23/2026

Labeler - Hyvee Inc (006925671)

Establishment
Name	Address	ID/FEI	Business Operations
Guardian Drug Company		119210276	MANUFACTURE(42507-630)