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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 981-990 of 1,357 reviews
May 27, 2026
Reviewer name: CameronC
5 out of 5 stars
5 out of 5 stars review

Power through your day with Mucinex 12 hour

[This review was collected as part of a promotion.] Sickness has been rampant throughout my house. I decided to try the new Mucinex 12 hour cold and fever medicine. It's easily storable as it's flat and allows you to separate each square as pictured. You take two of these pills and they kick in almost immediately. It's true that it is extended release as I didn't have to take more after. It's got a smooth finish so it's easy to swallow without getting that "stuck in my throat" feeling.

Review from influenster.com
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Jun 4, 2026
Reviewer name: KrystalR
5 out of 5 stars
5 out of 5 stars review

Fever, headache, body pain, cough, chest congestion

[This review was collected as part of a promotion.] I recently used Mucinex to help with my congestion, and I was thoroughly impressed with its effectiveness. It significantly cleared up my congestion, making it much easier to breathe throughout the day. The combination of ingredients worked harmoniously, providing noticeable relief shortly after taking it. One of the standout features was the duration of its effects. The relief lasted for several hours, reducing the need for frequent doses, which added to the convenience. Additionally, the mild and non-bothersome smell contributed to a more pleasant experience. Considering how effectively it worked and the longevity of the relief, Mucinex offers excellent value for its price. I highly recommend it to anyone seeking reliable cold and congestion relief. Pros: Quick and effective congestion relief Long-lasting effects Mild, non-intrusive scent Good value for the price Cons: None observed during my use

Review from influenster.com
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Jul 8, 2026
Reviewer name: KendraM
5 out of 5 stars
5 out of 5 stars review

Wiped my cold away so quick!

[This review was collected as part of a promotion.] I had been feeling really crappy with a cold, and this Mucinex 12 hr cold and fever medicine knocked it right off. It helped ease my headache, body aches and congestion. And even better ,it didn't make me drowsy! And so glad I didn't have to keep taking it because it lasted 12 hours. The Instructions were easy to follow and I only had to take two and it was easy to swallow without leaving a chalky or gross taste . If you are dealing with multiple cold symptoms at once this is the medicine worth keeping in the medicine cabinet.

Review from influenster.com
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Jun 1, 2026
Reviewer name: DanielaAnayC
5 out of 5 stars
5 out of 5 stars review

Long-lasting relief for cough, congestion, fever, and body aches in one convenient tablet.

[This review was collected as part of a promotion.] Mucinex 12HR Cold & Fever Multi-Symptom helped relieve my cough,chest congestion,body aches,and headache in one product.I liked that the relief lasted for hours ,so I didn't need to keep taking medicine throughout the day.The tablets were easy to swallow ,and the ingredients worked well together to help me feel more comfortable while recovering from a cold.

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

That's a great product. It just made me feel drowsy the next day.

[This review was collected as part of a promotion.] Yes they are very helpful ………. this product helps with what it says it does, but it makes me feel drowsy the next day. I didn't have a fever made me sleep with comfort. I wasn't congested and they absorbed pretty quick.

Review from influenster.com
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Jun 3, 2026
Reviewer name: YemmisA
5 out of 5 stars
5 out of 5 stars review

MUCINEX 12 HORAS

[This review was collected as part of a promotion.] For these summer days, where my immune system is weakened by the change in climate, and I get the discomfort of the flu. That is why I always use Mucinex, these pills help with the flu, with the bronchi and everything that has to do with cough, they are large tablets but easy to digest.

Review from influenster.com
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Jun 3, 2026
Reviewer name: MariaC
5 out of 5 stars
5 out of 5 stars review

I felt more improvement

[This review was collected as part of a promotion.] Product quality 100/100, product packaging cardboard box and the pills are well sealed no It was so easy to remove them, symptoms decreased after 10 minutes I felt improvement, the duration of the product is for quite a few days, The flavor of The product is bitter.

Review from influenster.com
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Jun 4, 2026
Reviewer name: BrittanyG
4 out of 5 stars
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.

Review from influenster.com
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Jul 15, 2026
Reviewer name: karenG
5 out of 5 stars
5 out of 5 stars review

excellent choise

[This review was collected as part of a promotion.] if you have the flu or a cold , this Mucinex can be an excellent choice, as it treats several symptoms at once. it help relieve fever headaches, and body aches sotthes a cough, and loosens mucus so it ‘s easier to cough up

Review from Mucinex
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Jun 24, 2026
Reviewer name: SarahS
5 out of 5 stars
5 out of 5 stars review

Quick & Extended in One

[This review was collected as part of a promotion.] I really like that this medication provides both fast acting relief and extended 12 hour symptom control in one pill. It helped relieve my cold & fever symptoms quickly and kept me feeling better throughout the day. I was pleased with how well it worked and would definitely recommend it.

Review from influenster.com
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