---
product_id: 12187789
title: "Fast-Max Maximum Strength Severe Congestion & Cough Liquid, 9 FL OZ"
brand: "mucinex"
price: "¥6857"
currency: JPY
in_stock: true
reviews_count: 8
category: "Mucinex"
url: https://www.desertcart.jp/products/12187789-fast-max-maximum-strength-severe-congestion-and-cough-liquid-9
store_origin: JP
region: Japan
---

# Fast-Acting Relief Maximum Strength Formula Multi-Symptom Congestion Control Fast-Max Maximum Strength Severe Congestion & Cough Liquid, 9 FL OZ

**Brand:** mucinex
**Price:** ¥6857
**Availability:** ✅ In Stock

## Summary

> ⚡ Clear your airways, conquer your day!

## Quick Answers

- **What is this?** Fast-Max Maximum Strength Severe Congestion & Cough Liquid, 9 FL OZ by mucinex
- **How much does it cost?** ¥6857 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/12187789-fast-max-maximum-strength-severe-congestion-and-cough-liquid-9)

## 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

- • **Trusted & Rated:** Join thousands of satisfied users with a 4.7-star rating and proven effectiveness.
- • **Mucus-Busting Power:** Thins and loosens stubborn mucus to clear your chest and nasal passages effortlessly.
- • **Rapid Symptom Relief:** Experience fast-acting power that tackles severe congestion and cough in record time.
- • **Triple-Action Formula:** Combines cough suppressant, expectorant, and nasal decongestant for comprehensive respiratory support.
- • **Maximum Strength Confidence:** Delivers potent ingredients designed for adults seeking serious relief without compromise.

## Overview

Mucinex Fast-Max Severe Congestion and Cough Liquid is a maximum strength, fast-acting formula combining Dextromethorphan HBr (cough suppressant), Guaifenesin (expectorant), and Phenylephrine HCl (nasal decongestant) to relieve severe nasal and chest congestion, control cough, and thin mucus for adults 12 and older.

## Description

Maximum Strength Mucinex Fast-Max Severe Congestion and Cough Liquid helps relieve severe congestion and cough symptoms with a liquid that combines the mucus busting power of Mucinex and its maximum strength medicines. Mucinex Fast-Max Adult Severe Congestion and Cough Liquid contains Dextromethorphan HBr, a cough suppressant, Guaifenesin, an expectorant, and Phenylephrine HCl, a nasal decongestant.

Review: Works great, works quickly - If you want all of that phlegm and loose garbage out of your chest this is your best option.
Review: works fast - this tastes great and the size if perfect to get you better. helps you sleep and is ok value for cost.

## Features

- MAXIMUM STRENGTH RELIEF: Maximum Strength Mucinex Fast-Max Severe Congestion & Cough helps relieve cough, thins and loosens mucus and relieves chest and nasal congestion
- COUGH SUPPRESSANT: Contains Dextromethorphan HBr that helps relieve cough
- EXPECTORANT: Contains Guaifenesin that thins and loosens mucus; relieves chest congestion
- NASAL DECONGESTANT: Contains Phenylephrine HCl that provides relief for nasal congestion, sinus congestion and pressure
- USAGE: Use as directed; For ages 12+ years

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B008IYDYXK |
| Active Ingredients | Dextromethorphan, Guaifenesin, Phenylephrine |
| Additional Features | Fast-Acting |
| Age Range Description | Adult |
| Best Sellers Rank | #20,368 in Health & Household ( See Top 100 in Health & Household ) #155 in Cold & Flu Medicine |
| Brand | Mucinex |
| Brand Name | Mucinex |
| Container Type | Box |
| Customer Reviews | 4.7 out of 5 stars 1,358 Reviews |
| Flavor | Original Berry |
| Global Trade Identification Number | 00363824019697 |
| Item Dimensions | 1.46 x 2.95 x 6.3 inches |
| Item Form | Liquid |
| Item Highlight | Dextromethorphan HBr Cough Suppressant, Guaifenesin Expectorant, Phenylephrine HCl Decongestant, For Ages 12+ |
| Item Weight | 2.56 ounces |
| Item dimensions L x W x H | 1.46 x 2.95 x 6.3 inches |
| Manufacturer | Reckitt Benckiser |
| Manufacturer Part Number | 6382401969 |
| Model Name | Congestion and Cough Liquid |
| Model Number | 6382401969 |
| Number of Items | 1 |
| Package Type Name | Bottle |
| Product Benefits | Cough Relief |
| Specific Uses For Product | Cough |
| Target Audience | Unisex-Adults |
| Target Use Body Part | Arm |
| UPC | 363824019697 |
| Unit Count | 9 Fluid Ounces |

## Product Details

- **Brand:** Mucinex
- **Item Weight:** 0.16 Pounds
- **Item dimensions L x W x H:** 1.46 x 2.95 x 6.3 inches
- **Product Benefits:** Cough Relief
- **Specific Uses For Product:** Cough

## Images

![Fast-Max Maximum Strength Severe Congestion & Cough Liquid, 9 FL OZ - Image 1](https://m.media-amazon.com/images/I/718x6kNz-pL.jpg)

## Available Options

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

## Questions & Answers

**Q: If there a brand of liquid Mucinex without Dextromethorphan?**
A: Hi, yes we our Mucinex® Fast-Max Adult Congestion and Headache formula does not have Dextromethorphan.  It is available for sale here on Amazon!

**Q: i would buy this if it revealed expiration dates - and the response it is on the bottle doesn't help me until it arrives????**
A: Thank you for your interest in Mucinex® Fast-Max® Severe Congestion & Cough! We recommend that you contact the Amazon seller directly so they can provide you with an answer to this question. Thank you!

**Q: Is this sugar free?**
A: Thank you for your interest in Mucinex® Fast-Max® Severe Congestion & Cough! This product is sugar-free.

**Q: Why does my bottle say Mexico on back label?**
A: The Mucinex at my local pharmacy also says Mexico on the back, so I doubt it's anything to worry about.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works great, works quickly
*by M***L on April 11, 2026*

If you want all of that phlegm and loose garbage out of your chest this is your best option.

### ⭐⭐⭐⭐⭐ works fast
*by G***Y on December 6, 2025*

this tastes great and the size if perfect to get you better. helps you sleep and is ok value for cost.

### ⭐⭐⭐⭐⭐ Mucinex gets you feeling better fast
*by T***W on October 6, 2025*

Delivered super fast when we were all sick and got us feeling better very fast. It tastes really great for a cough medicine.

## Frequently Bought Together

- Congestion and Cough Liquid, Mucinex Fast-Max Severe Congestion and Cough Liquid, 9 fl.oz, Fast Acting Maximum Strength Formula Relieves Nasal & Chest Congestion, Controls Cough, Thins & Loosens Mucus
- Cough Suppressant and Expectorant,Mucinex DM Maximum Strength 12 HourTablets 42ct, 1200 mg Guaifenesin,Relieves Chest Congestion,Quiets Wet and Dry Cough,#1Doctor Recommended OTC expectorant
- 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

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-09*