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Mucinex Maximum Strength Fast-Max DM Cough & Chest Congestion, Ages 12+6.0 fl oz

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  • Temporarily relieves cough
  • 4 hour dosing

Helps relieve cough and chest congestion.

Thins and loosens mucus.

Made in USA

  • 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
  • mL=milliliter
  • Adults and children 12 years and older: 20 mL every 4 hours
  • Children under 12 years of age: Do not use
.Other Information:
  • Each 20 mL contains: Potassium 6 mg, sodium 13 mg
  • Store between 15-30°C (59-86°F)
  • Do not refrigerate
  • Dosing cup provided
© 2011 RB


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 you have
  • 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 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 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..


Dextromethorphan HBr (20mg), Guaifenesin (400mg)
Serving Size20 mL
Serving Per Container
Amount per Serving%DV


Not eligible for Ship to Store at this timeSee Ship to Store FAQs

This product cannot be shipped to the following state(s):

  • AK
  • AS
  • CA
  • GU
  • HI
  • MP
  • PR
  • VI

Shipping Weight (in lbs): 0.51

Product in inches (LxWxH): 1.45x 2.45x 5.7

Item Code: 438228

UPC: 36382401866

From the manufacturer

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In Store Availability