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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 1,041-1,050 of 1,357 reviews
Jun 3, 2026
Reviewer name: HeatherW
5 out of 5 stars
5 out of 5 stars review

Mucinex for the win!

[This review was collected as part of a promotion.] Mucinex 12HR Cold& Fever tablets are great for helping to loosen phlegm and help your cough be more productive! They are easy to swallow and I only needed to take these once a day! I love that the doses come individually wrapped so they will stay fresh and they will travel well and stay protected. These helped ease my symptoms and discomfort from a cold.

Review from influenster.com
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Jun 3, 2026
Reviewer name: MyC9
5 out of 5 stars
5 out of 5 stars review

Lasted more than 10 hr for me

[This review was collected as part of a promotion.] After 30 minutes of taking this medicine, the symptoms started to get better. The taste is not great but take it quick with plenty of water then you will be fine. This medicine helps to relieve the uncomfortable feeling. It works very well for the first 10hr then you will know that it is time for another pill. A little drowsy for me after taking this med. Thanks to Influenster and Mucinex for the opportunity to try out this amazing product in exchange for my honest review.

Review from influenster.com
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May 30, 2026
Reviewer name: OksanaT
5 out of 5 stars
5 out of 5 stars review

Great all-in-one cold relief!

[This review was collected as part of a promotion.] Works really well when you are dealing with multiple cold symptoms at once. It helps reduce fever, body aches and chest congestion. It like that it lasts 12 hours, so I don't have to take medication throughout the day.

Review from influenster.com
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Jun 10, 2026
Reviewer name: LauraM
5 out of 5 stars
5 out of 5 stars review

A convenient all-in-one cold and flu relief that helps tackle multiple symptoms with long-lasting 12-hour support.

[This review was collected as part of a promotion.] I received Mucinex 12HR Cold & Fever Multi-Symptom complimentary in exchange for my honest review, and I was pleasantly surprised by how convenient it is to have multiple symptom relief in one product. It's designed to help with fever, headaches, body aches, cough, chest congestion, and mucus, making it a practical option when you're dealing with more than just a simple cold. I also appreciate the 12-hour extended-release formula, which means you don't have to take it as frequently throughout the day. The tablets are easy to incorporate into a routine, and the packaging clearly explains what symptoms it targets. If you're looking for an all-in-one product for cold and flu symptoms, this could be a helpful addition to your medicine cabinet. As always, it's important to follow the dosing instructions and check the ingredients to make sure they're appropriate for you.

Review from influenster.com
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Jun 23, 2026
Reviewer name: ErinH
5 out of 5 stars
5 out of 5 stars review

A top-tier cold and fever relief option I would choose again and again, hands down!

[This review was collected as part of a promotion.] I got sick this summer, and this helped me manage my symptoms so I could get back on my feet and handle what I needed to do for work. The tablets were easy to take and swallow, and I appreciated the convenience of 12-hour relief during a busy day. I also like having a multi-symptom option on hand rather than needing to reach for several different products the ingredients were designed to address multiple cold symptoms, and that was so convenient. Based on my experience, I would recommend it for keeping in your medicine cabinet when cold and fever symptoms come up. I did receive this Mucinex 12-hour cold and fever multi-symptom complimentary in exchange for my honest review. I would choose this again and again because it truly works.

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

LONG lasting

[This review was collected as part of a promotion.] I was dealing with a nasty cold, body aches, chest congestion, and a fever, and these Mucinex 12-Hour Cold & Fever Multi-Symptom tablets really helped. I liked that I only had to take them every 12 hours, and the extended-release formula kept my symptoms under control throughout the day. The chest congestion loosened up, my cough became more manageable, and I finally felt comfortable enough to rest. Definitely a great option when you need long-lasting relief from multiple cold symptoms.

Review from influenster.com
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Jun 14, 2026
Reviewer name: NicoleC
5 out of 5 stars
5 out of 5 stars review

Symptoms be gone

[This review was collected as part of a promotion.] This was the best medicine I have ever tried for cold, flu symptoms. I work in ER and am around lots of germs. This lasted all 12 hours allowing me to breath freely. Highly recommend and love this product!

Review from influenster.com
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May 30, 2026
Reviewer name: TyrondaP
5 out of 5 stars
5 out of 5 stars review

The tablets are worth it to try. They seem to work pretty fast and they go down easy.

[This review was collected as part of a promotion.] The tablets are easy to swallow with no funny after taste. I did not notice ant smells at all. They store right in the medicine cabinet with the rest of your non refrigerated beds. They last a couple years so I believe it is well worth it to try.

Review from influenster.com
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May 30, 2026
Reviewer name: AmberD
5 out of 5 stars
5 out of 5 stars review

Helps kick sickness faster

[This review was collected as part of a promotion.] Honestly, when a bad cold hits, I don't have the energy to keep track of taking medicine every four hours. That's the main reason I grab this specific Mucinex 12HR Cold & Fever—you take it once, and it actually keeps working through the day so you can function. It covers all the basics (fever, body aches, and a bad cough), but it's especially good at clearing out that heavy, stubborn chest congestion. ​If you're building a sickness survival kit, definitely keep a box of this and some decent tissues on hand. It saves you from having to run to the store when you're already feeling like trash.

Review from influenster.com
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May 31, 2026
Reviewer name: AuroraH
5 out of 5 stars
5 out of 5 stars review

Highly recommend

[This review was collected as part of a promotion.] Mucinex 12 hr cold relief , has everything you need for that pain relief , congestion and helped loosen my mucus so I can release it. I had a slight fever helped get that down. Easy instructions to follow , and only used 2 times. Differently a must when feeling sick.

Review from influenster.com
Helpful?1RQMQLXT1NBQ6004981466