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Customer reviews for Mucinex 12 Hour Cold and Flu Medicine for Adults, 50 Tablets for
Mucinex 12 Hour Cold and Flu Medicine for Adults, 50 Tablets
4.8 out of 5 stars
stars
1,892 ratings1,892 reviews
  1. 5 stars81% (1,532)
  2. 4 stars16% (297)
  3. 3 stars3% (56)
  4. 2 stars0% (6)
  5. 1 star0% (1)

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Showing 1,661-1,670 of 1,892 reviews
Jun 16, 2026
Reviewer name: CassandraV
5 out of 5 stars
5 out of 5 stars review

Worked well!

[This review was collected as part of a promotion.] This worked really well for my cough and headache. I didn't have any flu symptoms but it worked well in relieving the cough and headache I got from coughing. The pills were easy to take and seemed to last as long as it says on most of the days I took them! All around I would recommend and would reach for it at the store when needed!

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May 31, 2026
Reviewer name: EkaterinaP
5 out of 5 stars
5 out of 5 stars review

Reliable multi-symptom relief that lasts up to 12 hours

[This review was collected as part of a promotion.] We've used Mucinex products for years, and this new packaging looks great ! It helps cover multiple cold symptoms, including cough , congestion , fever , and body aches. The 12-hours formula is convenient , and the tablets are easy to store in our medicine cabinet .

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Jun 23, 2026
Reviewer name: BryannaF
5 out of 5 stars
5 out of 5 stars review

Family Favorite

[This review was collected as part of a promotion.] When the common cold hits our home, we always turn to Mucinex for fast symptom relief. Their long lasting symptom relief and several options for different types of colds is what keeps us coming back to them when needed.

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Jun 14, 2026
Reviewer name: NicoleC
5 out of 5 stars
5 out of 5 stars review

Symptoms be gone

[This review was collected as part of a promotion.] This was the best medicine I have ever tried for cold, flu symptoms. I work in ER and am around lots of germs. This lasted all 12 hours allowing me to breath freely. Highly recommend and love this product!

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May 30, 2026
Reviewer name: AmberD
5 out of 5 stars
5 out of 5 stars review

Helps kick sickness faster

[This review was collected as part of a promotion.] Honestly, when a bad cold hits, I don't have the energy to keep track of taking medicine every four hours. That's the main reason I grab this specific Mucinex 12HR Cold & Fever—you take it once, and it actually keeps working through the day so you can function. It covers all the basics (fever, body aches, and a bad cough), but it's especially good at clearing out that heavy, stubborn chest congestion. ​If you're building a sickness survival kit, definitely keep a box of this and some decent tissues on hand. It saves you from having to run to the store when you're already feeling like trash.

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Jun 16, 2026
Reviewer name: NoelleG
5 out of 5 stars
5 out of 5 stars review

Convenient 12-hour, multi-symptom cold and fever relief that helps manage cough, congestion, fever, headaches, and body aches in one product.

[This review was collected as part of a promotion.] I was impressed with the packaging and clear labeling on Mucinex 12HR Cold & Fever Multi-Symptom. The extended-release formula combines naproxen sodium (110 mg) for fever, headache, and body aches, dextromethorphan HBr (30 mg) to help suppress coughs, and guaifenesin (600 mg) to loosen and thin mucus. I liked that it provides up to 12 hours of relief, making it convenient during the day or overnight. It helped target multiple symptoms in one product, reducing the need for several medications. The value is good for a multi-symptom treatment, though users should be aware of potential side effects such as stomach upset, dizziness, or drowsiness depending on individual sensitivity. Overall, it's a convenient option for managing cold and flu symptoms.

Review from influenster.com
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May 28, 2026
Reviewer name: LolaP
5 out of 5 stars
5 out of 5 stars review

It's great to have in home

[This review was collected as part of a promotion.] I recently tried Mucinex 12 Hr Cold & Fever Multi-Symptom medicine and found it really helpful when dealing with congestion, body aches, and fever symptoms all at once. The packaging is compact and easy to store in a medicine cabinet or travel bag, and the caplets are a manageable size that weren't too difficult to swallow. The dosage instructions were straightforward and easy to follow, which made it convenient to take during the day without confusion. The product has a mild medicinal smell, but nothing too overpowering or unpleasant compared to other cold medicines I've tried. In terms of duration, I liked that the relief lasted for several hours and helped control my symptoms without needing constant re-dosing. I personally didn't experience major side effects, although I did notice slight drowsiness after taking it, so I would recommend being mindful of that depending on the time of day. Overall, it worked effectively for multi-symptom relief and made cold recovery feel much more manageable.

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May 28, 2026
Reviewer name: NayviS
5 out of 5 stars
5 out of 5 stars review

It helped relieve my congestion

[This review was collected as part of a promotion.] had a great experience with Mucinex 12 HR Cold & Fever. It helped relieve my congestion, fever, and body aches quickly, and I loved that the relief lasted for many hours. The tablets were easy to take, and I was able to rest and feel much better the next day. Highly recommend for cold and flu symptoms!

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Jun 4, 2026
Reviewer name: BabiA
5 out of 5 stars
5 out of 5 stars review

Great multi-symptom relief!

[This review was collected as part of a promotion.] This Mucinex is excellent for cold season. It works fast and the 12-hour relief means I don't have to keep taking pills throughout the day. It really helps with body aches and chest congestion. Highly recommended it!

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Jun 22, 2026
Reviewer name: AlbanyG
5 out of 5 stars
5 out of 5 stars review

Tused Mucinex 12 HR Cold & Fever Multi-Symptom when I was dealing with cold symptoms, congestion, and body aches. The tablets were easy to take and provided long-lasting relief throughout the day. I noticed improvement in my congestion and overall comfort

[This review was collected as part of a promotion.] I used Mucinex 12 HR Cold & Fever Multi-Symptom when I was dealing with cold symptoms, congestion, and body aches. The tablets were easy to take and provided long-lasting relief throughout the day. I noticed improvement in my congestion and overall comfort without needing to take medicine frequently. The 12-hour formula is very convenient, especially when you're trying to rest and recover. I would recommend this product to anyone looking for effective multi-symptom cold relief.

Review from influenster.com
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