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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
410 ratings410 reviews
  1. 5 stars85% (349)
  2. 4 stars13% (53)
  3. 3 stars2% (8)
  4. 2 stars0% (0)
  5. 1 star0% (0)

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Showing 131-140 of 410 reviews
Jun 18, 2026
PallaviK
4 out of 5 stars review

Mucinex Cold and Fever Relief

[This review was collected as part of a promotion.] I tried Mucinex 12HR Cold & Fever Multi-Symptom for cough, congestion, and body aches, and it provided decent relief within a few hours. The instructions were easy to follow, but make sure to read the label carefully if you have allergies or are taking other medications. The 12-hour duration was convenient, although the effects seemed to wear off a little earlier for me. It helped loosen mucus and reduced chest congestion, but it wasn't a complete fix for all my symptoms. Overall, it's effective for temporary relief, but results may vary depending on the severity of your cold.

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Jun 2, 2026
LouAnnH
5 out of 5 stars review

A very good product

[This review was collected as part of a promotion.] I received this product from @Influenster for free for my honest opinion of the product. I used it for several days. I took 2 pills at a time. It helped with my congestion in my chest. It also helped with most of my symptoms. It never made me drowsy. I was alert after taking the 2 pills.

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Jun 1, 2026
GenesisT
5 out of 5 stars review

Mucinex 12hr the best

[This review was collected as part of a promotion.] Mucinex 12gr cold and fever multi-symptom has been a great addition to my medicine cabinet. I like that it targets multiple symptoms at once, including headache, body aches, chest congestion and cough, so I don't need to take several different medications. The 12hr formula is convenient because it provides long-lasting relief during both day and night. The caplets are easy to take , I notice that my congestion started to improve within a few hours. The package is clear and informative making it easy to understand the active ingredients and dosage instructions.

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Jun 4, 2026
BrittanyG
4 out of 5 stars review

Good for mucus

[This review was collected as part of a promotion.] My favorite thing about this brand is I know it's gonna help me out with mucus buildup which i feel is the worst part of being sick and having a cold. This also worked on reducing the fever. It's summer time no one wants a cold in summer but with this product it helped me get through the days until i felt better completely! It's pills that have an extended release period so i don't really taste them.

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Jun 7, 2026
StephanieC
5 out of 5 stars review

Want to kick your cold/flu these are a must

[This review was collected as part of a promotion.] I had been sick for coming on about a week and nothing was working and I mean nothing. I received these in the mail and within taking 2 doese I was feeling 100 times better. I hate to take medicine but this will be by go to from now on.

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May 31, 2026
AliciaD
5 out of 5 stars review

Works fast to get a sick sole back to their feet

[This review was collected as part of a promotion.] This came just in time for my older brother that had been battling a severe cold for a week! I gave this to him and within hours he was back on his feet. He literally had been in bed sweating and having to change sheets from it. This was very convenient and effective in a short time!

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Jun 2, 2026
MelissaB
5 out of 5 stars review

Stop the hacking…get through the day

[This review was collected as part of a promotion.] When the weather changes the cough and congestion can be a pain. Mucinex 12 Hour Multi-Symptom to the rescue. Take it when symptoms appear and it allows me to get through a day of substitute teaching or building websites. A must have in this chronically ill woman's medicine bag.

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Jun 13, 2026
ShannonL
5 out of 5 stars review

Love mucinex!

[This review was collected as part of a promotion.] Mucinex has always been my go to when sick especially when I have it bad in my chest. This help my body get all the bad gunk out and leaves me feeling better faster! Works fast, worth every cent and leaves not after taste.

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May 29, 2026
JulieC
5 out of 5 stars review

Mucinex 12 hrs

[This review was collected as part of a promotion.] The pill is large but very effective for multiple symptoms. The information provided on the package is very informative and listed the multi-symptoms it relieves. The is no smell to these pills that I could sense. Works great and helped with my issues. Long lasting relief.

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May 27, 2026
HilalS
5 out of 5 stars review

Symptom relieving cold medicine

[This review was collected as part of a promotion.] Mucinex 12HR Cold & Fever Multi-Symptom medicine is like a game changer! When I'm sick, what I find the most hard is waiting for my next medicine because most of them looses their symptom relieving functions after a few hours. This one, having a bi-layer system composed of immediate release and extended release, seems to have solve this problem. I really like the thoughtfullness behind it. The only thing I did not like is that two medicines are in one blisters, I'd prefer if all had their own blisters.

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