---
product_id: 6543422
title: "Mucinex Fast-Max DM Max Cough & Chest Congestion Medicine, 6 FL OZ"
brand: "mucinex"
price: "$35.37"
currency: USD
in_stock: true
reviews_count: 8
category: "Mucinex"
url: https://www.desertcart.us/products/6543422-mucinex-fast-max-dm-max-cough-and-chest-congestion-medicine
store_origin: US
region: United States of America
---

# 4hr extended relief 400mg guaifenesin expectorant 20mg dextromethorphan cough suppressant Mucinex Fast-Max DM Max Cough & Chest Congestion Medicine, 6 FL OZ

**Brand:** mucinex
**Price:** $35.37
**Availability:** ✅ In Stock

## Summary

> 💨 Breathe easy, cough less, live more with Mucinex DM Max!

## Quick Answers

- **What is this?** Mucinex Fast-Max DM Max Cough & Chest Congestion Medicine, 6 FL OZ by mucinex
- **How much does it cost?** $35.37 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/6543422-mucinex-fast-max-dm-max-cough-and-chest-congestion-medicine)

## Best For

- mucinex enthusiasts

## Why This Product

- Trusted mucinex brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Apple Flavor Boost:** Pleasant apple taste makes cold medicine less of a chore—because relief should feel good too.
- • **Fast-Acting Liquid Ease:** Easier-to-swallow liquid form delivers rapid relief when you need it most.
- • **Long-Lasting 4-Hour Relief:** Clinically proven extended-release formula keeps congestion and cough at bay for hours.
- • **Powerful Dual-Action Formula:** Combines maximum strength expectorant and cough suppressant for comprehensive cold & flu defense.
- • **Trusted by Adults Nationwide:** Recommended by doctors and loved by thousands for effective mucus and cough control.

## Overview

Mucinex DM Max Liquid is a doctor-recommended, maximum strength cold and flu medicine for adults featuring 400mg extended-release guaifenesin and 20mg dextromethorphan per dose. Designed to provide up to 4 hours of relief from chest congestion and cough, this fast-acting, apple-flavored liquid formula helps clear excess mucus and suppress coughs, empowering you to power through your day and sleep better at night.

## Description

Are you searching for reliable cold and flu medicine for adults? Look no further than Mucinex DM 12hr Maximum Strength Expectorant & Cough Suppressant. Featuring a robust 400mg of guaifenesin and 20mg of dextromethorphan per dose, this top-notch chest congestion & cough medicine is here to provide effective relief from bothersome mucus and persistent cough. When the cold and flu season hits, trust Mucinex for cold and flu relief for adults. *IQVIA using ProVoice Survey, December 2022 †U.S. News & World Report/Pharmacy Times 2023-2024. **Product eligibility may vary by plan. Check with your benefits administrator to determine which expenses are eligible before you shop.

Review: Works really well - Unfortunately had to use this during a pretty rough cold, but it really helped with my cough and congestion. It kicked in faster than I expected and made it easier to sleep through the night. The taste isn’t amazing obviously, but honestly not nearly as bad as some other cold medicines I’ve tried.
Review: I use it only when necessary - Has worked well in managing cogestion

## Features

- COUGH COLD AND FLU MEDICINE FOR ADULTS: Mucinex DM Max expectorant & cough suppressant packs a powerful 1..2.. punch with dextromethorphan and Guaifenesin 400mg extended release, providing you with long-lasting relief from excess mucus congestion and cough.
- EXCESS MUCUS RELIEF: Maxium strength multi-symptom relief; Mucinex DM Max is clinically proven to last up to 4hrs and provide relief for chest congestion and make coughs more productive.
- EXPECTORANTS AND DECONGESTANTS FOR ADULTS: Mucinex DM Max helps clear lungs of excess mucus and phlegm to help make every day a breath of fresh air; Say goodbye to chest congestion and cough, say hello to excess mucus relief.
- EXTENDED RELEASE GUAIFENESIN: Experience 4hr relief with Mucinex DM Max extended-release 400mg guaifenesin and 20mg dextromethorphan HBr in an easier to swallow liquid format.
- COLD MEDICINE FOR ADULTS: When you need a powerful cough and cold medicine that's formulated for adults, Mucinex DM is the name to trust; Beat cold and flu symptoms with confidence.
- USAGE: Use as directed; For ages 12+ years.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0057UUGSO |
| Active Ingredients | Dextromethorphan HBr (20 mg), Guaifenesin (400 mg). |
| Additional Features | Maximum Strength |
| Age Range Description | Adult |
| Best Sellers Rank | #7,732 in Health & Household ( See Top 100 in Health & Household ) #36 in Cold & Flu Medicine #1,336 in Sales & Deals |
| Brand | Mucinex |
| Brand Name | Mucinex |
| Container Type | Bottle |
| Customer Reviews | 4.7 out of 5 stars 7,184 Reviews |
| Dosage Form | Liquid |
| Flavor | Apple |
| Global Trade Identification Number | 00363824018669 |
| Item Dimensions | 1.44 x 2.51 x 5.77 inches |
| Item Form | Liquid |
| Item Weight | 8.16 ounces |
| Item dimensions L x W x H | 1.44 x 2.51 x 5.77 inches |
| Manufacturer | Reckitt Benckiser |
| Manufacturer Part Number | 6382401866 |
| Model Name | Mucinex Fast Max Strength Congestion Liquid |
| Model Number | 6382401866 |
| Number of Items | 1 |
| Package Type Name | Bottle |
| Product Benefits | Cough Relief |
| Specific Uses For Product | Chest Congestion, Cough |
| Target Audience | Unisex-Adults |
| Target Use Body Part | Whole Body |
| UPC | 363824018669 |
| Unit Count | 6.0 Fluid Ounces |

## Product Details

- **Brand:** Mucinex
- **Item Weight:** 0.51 Pounds
- **Item dimensions L x W x H:** 1.44 x 2.51 x 5.77 inches
- **Product Benefits:** Cough Relief
- **Specific Uses For Product:** Chest Congestion, Cough

## Images

![Mucinex Fast-Max DM Max Cough & Chest Congestion Medicine, 6 FL OZ - Image 1](https://m.media-amazon.com/images/I/71TI0l6v6pL.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Questions & Answers

**Q: Is this non-drowsy?**
A: Hi, while there are no labeled side-effects for dextromethorphan some consumers may experience drowsiness.  We suggest speaking with your healthcare provider if you have any additional questions regarding side-effects.

**Q: What is the sugar content?**
A: Thank you for your interest in our Mucinex® Fast-Max® DM Max and Mucinex® Nightshift Cold & Flu Liquid Combo Pack. Both medicines are sweetened with sucralose and are therefore sugar free.

**Q: What flavor is this?  Is it any better than any other cough syrup?**
A: Cherry. Yes

**Q: Where is this made**
A: Thank you for your interest in our Mucinex® Fast-Max® DM Max and Mucinex® Nightshift Cold & Flu combo pack! These products are made in England.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works really well
*by J***E on May 30, 2026*

Unfortunately had to use this during a pretty rough cold, but it really helped with my cough and congestion. It kicked in faster than I expected and made it easier to sleep through the night. The taste isn’t amazing obviously, but honestly not nearly as bad as some other cold medicines I’ve tried.

### ⭐⭐⭐⭐⭐ I use it only when necessary
*by D***A on July 8, 2026*

Has worked well in managing cogestion

### ⭐⭐⭐⭐⭐ Best cough medicine
*by A***R on January 23, 2026*

Works great. Only thing that helped with coughing to allow resting.

## Frequently Bought Together

- Mucinex DM Max Liquid Cough & Cold Medicine for Adults, Cold and Flu Medicine for Excess Mucus Relief, Guaifenesin & Dextromethorphan Expectorant & Decongestant for Adults, Dr Recommended, 6.0 Fl Oz
- Mucinex Instasoothe Sugar Free Cough Drops, Cough Medicine for Adults with Dextromethorphan HBr, Non Menthol Cough Drops, Cough Suppressant Lozenges, Mixed Berry Medicated Cough Drops, 40ct
- Mucinex Fast-Max Severe Congestion & Cough Medicine, Maximum Strength Symptom Relief, Over-The-Counter Medication, Cold Medicine, Cough Suppressant, Expectorant, Nasal Decongestant, FSA/HSA, 6 FL OZ

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-26*