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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 971-980 of 1,357 reviews
Jun 6, 2026
Reviewer name: BerlieB
5 out of 5 stars
5 out of 5 stars review

Effective relief for cold and fever symptoms whith easy dosage,convenient use,and minimal side effects.

[This review was collected as part of a promotion.] Mucinex 12h cold e fever Multi symptom is effective for relieving congretion,fever,and body aches with long-lasting results.the dosage instruction are simple to follow,the tablets are easy to take on the go,and i noticed quick relief with minimal side effect.

Review from influenster.com
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Jun 22, 2026
Reviewer name: AlbanyG
5 out of 5 stars
5 out of 5 stars review

Tused Mucinex 12 HR Cold & Fever Multi-Symptom when I was dealing with cold symptoms, congestion, and body aches. The tablets were easy to take and provided long-lasting relief throughout the day. I noticed improvement in my congestion and overall comfort

[This review was collected as part of a promotion.] I used Mucinex 12 HR Cold & Fever Multi-Symptom when I was dealing with cold symptoms, congestion, and body aches. The tablets were easy to take and provided long-lasting relief throughout the day. I noticed improvement in my congestion and overall comfort without needing to take medicine frequently. The 12-hour formula is very convenient, especially when you're trying to rest and recover. I would recommend this product to anyone looking for effective multi-symptom cold relief.

Review from influenster.com
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Jul 9, 2026
Reviewer name: AmandaO
5 out of 5 stars
5 out of 5 stars review

Worked great and only had to take once a day for a couple days!

[This review was collected as part of a promotion.] I didn't realize how great they were going to be, until we went on vacation and came back with cold symptoms. These helped my adult daughter get through the day and feel semi normal. She only had to take one dose a day for a couple days. I took for the same amount of time, no weird taste and easy to take. Packaging was cute for a medicine. These are easy to store in the cabinet. No trouble with dissolving.

Review from influenster.com
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Jun 28, 2026
Reviewer name: CarrieB
5 out of 5 stars
5 out of 5 stars review

Cold relief

[This review was collected as part of a promotion.] Mucinex 12 hour cold and flu is my go to when my family gets sick. It has helped with body aches and congestion so much better than others we have tried. It doesn't make you drowsy and it's easy to swallow. I highly recommended this formula for those miserable days when your congested and need relief. It also helps reduce your fever so you can get much needed sleep. Thank you mucinex and influencer for letting me try your awesome product.

Review from influenster.com
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Jun 29, 2026
Reviewer name: AmyG
5 out of 5 stars
5 out of 5 stars review

Knocks out the symptoms of any cold or flu.

[This review was collected as part of a promotion.] This is a medication that I will use again and recommend to my family and friends. It really helped with body pain and my headache as well it significantly loosened mucus. I felt good enough to keep going while taking this new Mucinex 12 hr. I was not drowsy the next day which usually happens for me. This will definitely stay inside my medicine cabinet. Storage is super easy as well.

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

Review from influenster.com
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Jul 9, 2026
Reviewer name: ReshanaR
4 out of 5 stars
4 out of 5 stars review

Great for the flu season

[This review was collected as part of a promotion.] Such a great brand of medicine for the flu. Great ingredients that works very fast to help give you a relief and lasted up to 12 hours which is fantastic. It's cover the counter drug so it's easy, accessible and affordable to get.

Review from Mucinex
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Jul 12, 2026
Reviewer name: GraceB
5 out of 5 stars
5 out of 5 stars review

10-10

[This review was collected as part of a promotion.] I will for sure be repurchasing these. I live in the mountains and went on vacation to the beach, once I got back from the beach I ended up super sick. These helped make me feel so much better. I was able to rest and able to breath so much better.

Review from Mucinex
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May 31, 2026
Reviewer name: CarrieM
5 out of 5 stars
5 out of 5 stars review

Relief

[This review was collected as part of a promotion.] Mucinex is the only thing that really help me with mucus build up when I am si k and congested. This helped me with the congestion, and qll over body pain. It didnt make me feel sleepy so I could still keep going. It helped for the 12 hours but getting closer to time to take the next dose I did feel it helping a little less. Overall though it really does help with cold symptoms well.

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

My go to

[This review was collected as part of a promotion.] Mucinex has always been my go to, sick with a cold, medicine! I am an ER nurse and are around different cold viruses constantly. I need something that will knock it out asap so I can continue to work. I make sure I stay hydrated with it so I dont experience the dry mouth side effects. It seemed to keep my symptoms at bay and decrease the whole length of the cold thankfully!

Review from influenster.com
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