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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 71-80 of 1,357 reviews
Sep 6, 2026
Reviewer name: BenedictC
5 out of 5 stars
5 out of 5 stars review

Great cold and flu relief!

[This review was collected as part of a promotion.] This Mucinex 12HR Cold & Fever Multi-Symptom medicine is a great option when several cold symptoms hit at once. It helps with fever, headache and body aches while also helping suppress cough and loosen chest congestion. The bi-layer tablet is rather unique, with one layer providing immediate relief and the other layer slowly releasing over 12 hours. I really like the 12-hour extended-release formula because it's convenient and means I don't have to keep taking medicine throughout the day. Overall, a convenient and effective multi-symptom cold medicine to keep on hand.

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Review from Mucinex
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Sep 16, 2026
Reviewer name: MariaT
5 out of 5 stars
5 out of 5 stars review

Strong

[This review was collected as part of a promotion.] This took a while to arrive and I'm not sick so I couldn't tried it yet. But in my experience with the mucin ex products they are pretty good and strong. So strong you only take every 12 hours, I recommend

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

100% guaranteed relief!

[This review was collected as part of a promotion.] Very efficient and they really relieve flu symptoms. I took them at night and was able to sleep very well. That said, the tablets are quite large and strong so you have to drink plenty of water, but they definitely work.

Review from Mucinex
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Aug 29, 2026
Reviewer name: VeronicaS
5 out of 5 stars
5 out of 5 stars review

Great

[This review was collected as part of a promotion.] Works great and fast I had a cold and I took this and the first day I couldn't get out of bed or drink water after I took this the next day I felt better I still was in bed but I didn't feel super sick it also brought down my fever as well they are easy to drink

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

Great clarity on what it treats

[This review was collected as part of a promotion.] This brand always puts together great products. This one covers many symptoms and they are clearly listed on the front. I like the clarity to ensure I take the right medicine. Easy packaging and easy to see how much to take.

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

Micinex to the rescue!

[This review was collected as part of a promotion.] I got sick right before Labor Day weekend and was expecting to be out of action for a few days. Luckily, Mucinex came to the rescue right on time so I could enjoy a holiday with my family and loved ones. This will get you back on your feet in no time! Highly recommended!

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

It works!

[This review was collected as part of a promotion.] I feel like every season my family catches a cold or the flu, and I'm constantly searching for a medicine that actually works! Mucinex 12 hr cold and fever multi symptom is that medicine for us. It comes in easy to swallow pills, it's also easy to toss a small square pack into my purse for easy on the go or travel. It says it works for 12hrs and I'm happy to report it does! However, I did notice it took nearly an hour to take affect which is why I left off a star.

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

Have to Try!

[This review was collected as part of a promotion.] I actually was able to use this as we had the cold swing go through our family. Mucinex has always been a go to in our family but now it includes cold relief as well. Loved the product and kept me cold free throughout the day.

Review from Mucinex
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Sep 13, 2026
Reviewer name: SarahO
5 out of 5 stars
5 out of 5 stars review

Convenient all in one option

[This review was collected as part of a promotion.] I recently tried Mucinex 12 HR Cold & Fever Multi-Symptom, 16ct, and it was incredibly effective for managing my symptoms. Within an hour, I noticed significant relief from congestion, cough, and fever, which made it much easier to get through the day. The 12 hour formula really worked as advertised, so I didn't need to take additional doses frequently. I especially appreciated that it tackled multiple symptoms at once, including a sore throat and body aches, which made it a convenient all in one option. I did not experience any unpleasant side effects, which made the overall experience even better. 

Review from Mucinex
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Sep 9, 2026
Reviewer name: JonieB
5 out of 5 stars
5 out of 5 stars review

Seems to be the best thing I've tried

[This review was collected as part of a promotion.] Recently got sick and I had to take some medicine so I gave this a try. It took my fever away very quickly and I was able to feel better within a couple hours. I can't take liquid medcine so this really worked a lot better for me. It was unable to break up all the mucas I had.

Review from Mucinex
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