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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
407 ratings407 reviews
  1. 5 stars85% (346)
  2. 4 stars13% (53)
  3. 3 stars2% (8)
  4. 2 stars0% (0)
  5. 1 star0% (0)

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Showing 91-100 of 407 reviews
May 28, 2026
DeeH
5 out of 5 stars review

Long -Lasting, Effective relief for multi symptoms

[This review was collected as part of a promotion.] This Mucinex 12 our cold and fever multi-symptom tablets worked great for my husband! They helped relieve his congestion, cough, body aches, and fever all WITHOUT making him feel drowsy! 😴 He really appreciated the long lasting relief so he didn't have to keep taking medicine throughout the day. Definitely a must have when cold symptoms hit!

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Jun 1, 2026
LizH
5 out of 5 stars review

Is super effective work fast

[This review was collected as part of a promotion.] I try this medicine and is really good the texture is easy to take, most effective ingredients no side effects, I think is an excellent formulation for the price and the duration incredible 12 hours of relief

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May 27, 2026
TonyV
5 out of 5 stars review

Great 12-hour cold & flu relief 👍

[This review was collected as part of a promotion.] This worked really well for my cold symptoms. It helped relieve fever, headache, body aches, cough, and chest congestion all at once. I like that it contains Naproxen Sodium for pain and fever relief, Dextromethorphan to control cough, and Guaifenesin to loosen mucus. The bilayer extended-release tablets lasted up to 12 hours, so I didn't need frequent re-dosing. Super convenient with just 2 tablets every 12 hours.

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Jun 8, 2026
ShanellM
5 out of 5 stars review

12 Hour Multi-Symptom Tablet

[This review was collected as part of a promotion.] I've been using Mucinex for years and was excited to try this 12 hour cold and fever multi-symptom tablet. I was recently sick with the flu and this did exactly what I needed it to do. It helped with my fever, headache and body pain. It also helped with the little cough and chest congestion I had going on this product is highly recommended. The taste was doable. It didn't really have a bad after taste or anything like that the texture was nice and smooth.

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Jun 14, 2026
NatassiaP
5 out of 5 stars review

⭐⭐⭐⭐⭐ Great cold relief! Mucinex 12 HR Cold & Fever Multi-Symptom helped ease my congestion, cough, and fever while providing long-lasting relief. Easy to take and very effective!

[This review was collected as part of a promotion.] ⭐⭐⭐⭐⭐ 5-Star Review I'm really impressed with Mucinex 12 HR Cold & Fever Multi-Symptom! It helped relieve multiple cold symptoms, including congestion, cough, and fever, without needing several different medications. The 12-hour formula provided long-lasting relief, making it easier to get through both the day and night. The tablets were easy to take, and I noticed a difference within a short time. This is definitely a product I'll keep on hand during cold and flu season. Highly recommend for effective, all-in-one symptom relief!

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May 30, 2026
KelleyM
5 out of 5 stars review

Amazing cold relief!

[This review was collected as part of a promotion.] This product arrived at the perfect time. My family had a severe cold with congestion. Our favorite thing was extended release medication (12 hours.) Noticed significant improvement with congestion and headache relief. Liked only having to take one dose of medication that tackled multiple symptoms.

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Jun 16, 2026
NoelleG
5 out of 5 stars review

Convenient 12-hour, multi-symptom cold and fever relief that helps manage cough, congestion, fever, headaches, and body aches in one product.

[This review was collected as part of a promotion.] I was impressed with the packaging and clear labeling on Mucinex 12HR Cold & Fever Multi-Symptom. The extended-release formula combines naproxen sodium (110 mg) for fever, headache, and body aches, dextromethorphan HBr (30 mg) to help suppress coughs, and guaifenesin (600 mg) to loosen and thin mucus. I liked that it provides up to 12 hours of relief, making it convenient during the day or overnight. It helped target multiple symptoms in one product, reducing the need for several medications. The value is good for a multi-symptom treatment, though users should be aware of potential side effects such as stomach upset, dizziness, or drowsiness depending on individual sensitivity. Overall, it's a convenient option for managing cold and flu symptoms.

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Jun 4, 2026
KrystalR
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

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Jun 11, 2026
PatriciaV
5 out of 5 stars review

Mucinex is a reliable brand I would recommend it.

[This review was collected as part of a promotion.] Good flavor. The table is a little large but it's worth taking. It is easy to find in stores and the packaging was good. Everything is clearly explained in the instructions. Mucinex is a reliable brand I would recommend it.

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Jun 12, 2026
KristinS
5 out of 5 stars review

Easy to swallow

[This review was collected as part of a promotion.] I recevied this product for free from Influenster and Mucinex in exchange for my honest review. Mucinex works amazing for me when I am sick with a cold or flu. I like that this all in one pill offers naproxen instead of acetaminophen because sometimes acetaminophen isn't strong enough for my aches and pains. They are easy to swallow even though they look big. I like that this lasts 12 hours. I recommend Mucinex especially if you're really congested or coughing bad.

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