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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
1,357 ratings1,357 reviews
  1. 5 stars82% (1,118)
  2. 4 stars15% (200)
  3. 3 stars3% (34)
  4. 2 stars0% (4)
  5. 1 star0% (1)

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Showing 331-340 of 1,357 reviews
Sep 7, 2026
Reviewer name: MaryJ
5 out of 5 stars
5 out of 5 stars review

Easy open, helped with a cold

[This review was collected as part of a promotion.] These are extended release tablets so you can't crush or chew them. They had a bit of a fruity flavor going down but are easy to swallow with a bit of water. I've been fighting a cold and these really let me get a good night's sleep as the coughing subsided a bit. Note that there is a painkiller in the pills so be careful what else you take with them. The pills were easy enough to remove from the package.

Review from Mucinex
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Sep 8, 2026
Reviewer name: GabrielleD
5 out of 5 stars
5 out of 5 stars review

Really works

[This review was collected as part of a promotion.] Product works amazing with no next day groggy wake up. After after the first use, I could definitely tell there was less. Congestion and it felt easier to breathe. The symptom relief definitely lasted longer 

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Sep 11, 2026
Reviewer name: JanL
5 out of 5 stars
5 out of 5 stars review

Really works for most of the day!

[This review was collected as part of a promotion.] My favorite cough medicine! When I get a lingering cough with cold symptoms, mucinex cold & fever tablets do the job! The 12 hour release tablets allow me to sleep at night, so I can function and work during the day without coughing all the time.

Review from Mucinex
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Sep 7, 2026
Reviewer name: SijiaL
5 out of 5 stars
5 out of 5 stars review

Good product to have!

[This review was collected as part of a promotion.] This has been a life saver. I had been having headache and chest congestion when it arrived. It took effect in roughly 30 mins. And it lasted at least 10 hours which allowed me sleep well at night. Definitely recommend!

Review from Mucinex
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Sep 6, 2026
Reviewer name: KimberlyR
5 out of 5 stars
5 out of 5 stars review

Large pills, large impact!!!

[This review was collected as part of a promotion.] When I am not feeling my best and I'm am stuffy and congested, I reach for this trusted brand!!! My family hasbeen using the Mucinex Brand for years!! I am glad for the new formula!! 12 hours cold and fever relief!! The pills are rather large but they help a lot when you are stuff and congested so hurry and swallow them up. It doesn't take long for the Mucinex to kick in and it doesn't make me feel drowsy!!

Review from Mucinex
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Sep 12, 2026
Reviewer name: MakayahJ
5 out of 5 stars
5 out of 5 stars review

Cold who??

[This review was collected as part of a promotion.] I honestly forgot this was coming and it did at the perfect time. I have been working nonstop and with the early mornings and late nights I have been feel so groggy and congested. Took two the night before a shift and woke up completely forgetting I was sick it was until a coworker asked me how I was feeling today that I remembered!!

Review from Mucinex
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Sep 10, 2026
Reviewer name: TracyB
4 out of 5 stars
4 out of 5 stars review

Worked well

[This review was collected as part of a promotion.] Mucinex 12 hr cold and fever is a multi symptom pill that lasts all day. The pills were a little hard to swallow I wish it came in a gel but they worked effectively to eliminate my fever and other cold symptoms.

Review from Mucinex
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Sep 10, 2026
Reviewer name: KariG
5 out of 5 stars
5 out of 5 stars review

Wow! These actually work!

[This review was collected as part of a promotion.] Super easy instructions accessible on the package if you need but super simple to take! You only have to take 2 for a dose and the package comes with 16 total pills so 8 total doses. Taking the suggested amount is enough and they work great! The doses are individually wrapped and pretty easy to get out of the paclage.

Review from Mucinex
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Sep 6, 2026
Reviewer name: MariR
5 out of 5 stars
5 out of 5 stars review

Feeling better

[This review was collected as part of a promotion.] I've always use MX. I have a lot of faith in them recently. I did have a very bad fever wasn't feeling good. And I tried these 12 hour cold and fever. Multisymptom. I love they were right away. I did take them for three days. I do highly recommend them. I usually also take them Mama for the cough as well. And I like the fact that some of them are 12 hours. Some of them are 16 hours. Some of them are 24 hour but I do feel way better and I've tried other products and I just think they're a waste of money. But I do love the Mucinex brand. I highly recommend it.

Review from Mucinex
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Sep 6, 2026
Reviewer name: NathanG
5 out of 5 stars
5 out of 5 stars review

Finally some relief

[This review was collected as part of a promotion.] This product has been a lifesaver. Ive been working 90hr weeks with lots of other workers sharing equipment, so of course we all got sick. Mucinex 12hr cold and fever has got me through some rough days. It really helped clear up phlegm, relieve headache and help reduce the coughing. Ive shared with Co workers as well and everyone has been very happy with the product.

Review from Mucinex
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