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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 51-60 of 1,357 reviews
Sep 3, 2026
Reviewer name: DennyS
5 out of 5 stars
5 out of 5 stars review

It's long lasting effects 12 hours

[This review was collected as part of a promotion.] It is an over the counter medication formulated for the relief of multiple symptoms associated with colds and similar conditions, main active ingredient, naproxen sodium pain reliever and fever reducer dextromethorphan hydrobromide cough suppressant and guaifenesin expectorant.

Review from Mucinex
Helpful?1RQMQLXT1NBQ6004981466
Sep 11, 2026
Reviewer name: MaysaF
4 out of 5 stars
4 out of 5 stars review

would absolutely recommend

[This review was collected as part of a promotion.] This is a great product for when you're feeling like you're starting to get sick/at the start of it. I took this, and within just a couple hours I started to feel exponentially better. My overall experience with this product was great, and I see myself using this brand/these Cold and Fever Pills much more often when I am feeling sick, or like I'm starting to get sick.

Review from Mucinex
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Sep 3, 2026
Reviewer name: KateS
5 out of 5 stars
5 out of 5 stars review

Provides relief

[This review was collected as part of a promotion.] After visiting the doctor for a regular check up, I caught a bug that wouldn't go away. I had a lot of congestion and coughing that lasted several days. I tried the Mucinex 12 hour cold and fever multi-symptom extended release tablets, and for the first time in days, I finally felt like myself again. These tablets are surprisingly effective, and they really did last all day for me. I would definitely recommend trying this Mucinex product next time you are dealing with a cold or fever. It worked great for me! 

Review from Mucinex
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Sep 11, 2026
Reviewer name: AnnamaeP
5 out of 5 stars
5 out of 5 stars review

Convenient and needed.

[This review was collected as part of a promotion.] These came in two packs of 8. Not huge tablets either, which are perfect for someone like me who has the worst time swallowing pills. These came right on time for the cold and fever my family just got hit with.

Review from Mucinex
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Sep 15, 2026
Reviewer name: MarinaS
5 out of 5 stars
5 out of 5 stars review

Convenient all in one formula

[This review was collected as part of a promotion.] Mucinex 12 HR Cold and Fever Multi-Symptom is very convenient option when several cold and flu symptoms hit at once. I like that it helps with fever, headaches, cough and chest congestion. 12 HR extended formula is very convenient because I don't need to take pills too often. Tablet is a little large is size though. Overall is very convenient all in one formula.

Review from Mucinex
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Sep 5, 2026
Reviewer name: KatieF
3 out of 5 stars
3 out of 5 stars review

12 hour relief

[This review was collected as part of a promotion.] Have not gotten sick yet so haven't used this product but when I do I will update. Easy to use instructions love that it's a 12 hr dosage makes it nice for people who hate having to figure out how long it's been with shorter dosages. Helps with fever headache body pain cough chest congestion and thins & loosens mucus,

Review from Mucinex
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Sep 11, 2026
Reviewer name: JesusG
5 out of 5 stars
5 out of 5 stars review

For cold and fever.

[This review was collected as part of a promotion.] These cold and fever pills work great. You're supposed to take 2 at a time. The directions do specifically say not to crush or split them. They are fairly large so I wouldn't really recommend for people who struggle taking pills. Each pack of 2 is individually sealed so you can take them on the go.

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

I can't wait to get a cold!

[This review was collected as part of a promotion.] OK, I have used Mucinex products in the past and they have usually worked pretty good. This is a new product that has just come out and I would really excited to try it the first time I get a cold. The packaging is fairly easy to open, and the pills are dual layered so they give you that extra help that lasts a while instead of just wearing off after about three or four hours. For this to come, especially at the beginning of cold and flu season, this is going to be a godsend. I'm a teacher, so after summer break, my immune system needs to build itself up! This will be great because I can take it in the morning and don't have to take another dose at lunchtime, like usual cold and flu products. 

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

Effective

[This review was collected as part of a promotion.] I really liked mucinex because it combines several ingredients to help with different cold symptoms in a single tablet they are easy to take they have no flavor a very good option to have at home in this cold season.

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

Great Multi-symptom medicine

[This review was collected as part of a promotion.] Ive been very happy with Mucinex 12 hrs cold and fever multi symptom. It helps relieve several cold symptoms at once, and the 12 hr relief is very convenient. It is easy to take and has been helpful when I am feeling under the weather.

Review from Mucinex
Helpful?1RQMQLXT1NBQ6004981466