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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 1,081-1,090 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.

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May 30, 2026
Reviewer name: RebecaG
5 out of 5 stars
5 out of 5 stars review

Effective, easy to use, and delivers reliable results

[This review was collected as part of a promotion.] I had a positive experience with this product. The instructions were easy to follow, and the recommended dosage was clear. The flavor was pleasant and not overwhelming. I noticed the product was effective and provided the results I was expecting. The effects lasted a reasonable amount of time, making it convenient to use.

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Jun 20, 2026
Reviewer name: MarithzaS
5 out of 5 stars
5 out of 5 stars review

Fast relieve especially for the pain

[This review was collected as part of a promotion.] When I received this product, it was well packed. At first I wasn't sure to take it, because I usually I get heart palpitations, but when I took the pills and waited, no side effects. My husband also love it. One thing that I value was the effectiveness of this product.

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May 27, 2026
Reviewer name: TonyV
5 out of 5 stars
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 11, 2026
Reviewer name: DanielleS
3 out of 5 stars
3 out of 5 stars review

Great for a stubborn cold

[This review was collected as part of a promotion.] I like the packaging. It's easy to store in my medicine cabinet. The instructions are clear on how much to take. I didn't experience any side effects. My overall experience was good it really helped with my cold symptoms.

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May 28, 2026
Reviewer name: TatianaH
5 out of 5 stars
5 out of 5 stars review

Better than I imagine

[This review was collected as part of a promotion.] I recently tried Mucinex 12HR Cold & Fever Multi-Symptom during this cold season, and it was a lifesaver for managing my symptoms. The extended-release formula worked for hours, so I didn't have to keep taking doses throughout the day. It really helped with my cough, chest congestion, body aches, fever, and even loosened up mucus so I could breathe more easily. One of the things I appreciated most was that it didn't make me feel overly drowsy, which meant I could still be productive while recovering. The tablets are a bit on the larger side, but the long-lasting relief made it worth it. Overall, I highly recommend keeping this on hand during cold and flu season!

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Jun 7, 2026
Reviewer name: PennyW
4 out of 5 stars
4 out of 5 stars review

12 hour relief

[This review was collected as part of a promotion.] I was gifted these in exchange for my honest review. The pills are a large size so if you have a problem swallowing large pills you may struggle. I was able to swallow them with no problems. I like that the are 12 hour so only 2 doses per day. They are also multi symptom so that's a plus. They help give relief after a few hours and plenty of water and hydration. There is no taste since they are pill form. They help with chest congestion and thinning out mucus. I would recommend.

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Jul 8, 2026
Reviewer name: AprilK
5 out of 5 stars
5 out of 5 stars review

Longevity is the key for symptom relief

[This review was collected as part of a promotion.] Mucinex is a trusted brand in our medicine cabinet so when I had the opportunity to try this out, I was happy to give it a go. I really like that this formulation helps with symptoms for up to 12 hours. I think that is super beneficial for our lifestyle, especially for myself working a corporate job and for my husband who works 10 hour shifts with a 1 hour commute. The 12 hour relief is exactly what we need. The ingredients being in pill form make is super convenient and easy to take on the go. Thankful that we have a product like this in the market that will help us with cough, congestion, fever, and body pains for an entire shift at work!

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Jun 1, 2026
Reviewer name: CynthiaC
4 out of 5 stars
4 out of 5 stars review

This medicine help me a lot

[This review was collected as part of a promotion.] Mucinex 12 HR Cold & Fever Multi- Symptom provided noticeable relief headaches. The extended 12- hours formula was convenient since I didn't need to take it as often throughout the day. It's helped me feel more comfortable and functional while recovering from a cold. The tablets are a bit large, but overall it's an effective option for managing multiple symptoms with one medication

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May 29, 2026
Reviewer name: MackenzieM
4 out of 5 stars
4 out of 5 stars review

Long-lasting relief for congestion, cough, body aches, and fever symptoms all in one easy-to-take medicine.

[This review was collected as part of a promotion.] Mucinex 12 Hour Cold & Fever Multi-Symptom works well for congestion, coughing, body aches, and fever symptoms all in one medicine. I like that the 12-hour relief lasts longer, especially overnight, so I'm not constantly needing to take more. The caplets are easy to swallow and it helps me feel more functional while dealing with a cold. Overall, it's a convenient option for managing multiple symptoms at once during cold and flu season.

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