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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 1,061-1,070 of 1,357 reviews
Jul 21, 2026
Reviewer name: TrucV
5 out of 5 stars
5 out of 5 stars review

Fast relief from cold and flu

[This review was collected as part of a promotion.] When cold and allergies season hit, this mucinex multi-symptom is the must to have in the house. This is covered pretty all the symptoms from the flu, headache, body aches, cough , congestion and fever so I don't have to buy another medicine for different symptoms. The tablet seems little big but it's not too bad of the taste. Overall, I always go with this mucinex 12 hour cold and fever multi symptoms when I have the cold or allergies hit.

Review from Mucinex
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Jun 8, 2026
Reviewer name: StephanieT
5 out of 5 stars
5 out of 5 stars review

Works fast!

[This review was collected as part of a promotion.] This came in handy at the perfect time. I'm not one to get sick all but when I do I need something that gets me back to normal fast! As a mom, I can't be down for the count! This Mucinex did the trick and within about 24 hours I was back to normal!

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Jun 27, 2026
Reviewer name: YeimyM
5 out of 5 stars
5 out of 5 stars review

The best for cold and fever symptoms 🥰

[This review was collected as part of a promotion.] The mucinex 12 hr cold and fever multi-symptom the onset is the most likely medication when you feel sick because have a good effectiveness to removed the symptoms of fever with a good dosage and alertness .

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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Jun 6, 2026
Reviewer name: SusanR
5 out of 5 stars
5 out of 5 stars review

This is a great option to help tackle your cold symptoms and help you recover and feel like yourself again

[This review was collected as part of a promotion.] If you're looking for a product that will tackle multiple cold symptoms and flu symptoms this is definitely worth keeping in your medicine cabinet. Helps with congestion headaches and body aches. Also great for daytime or nighttime symptom control.

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Jun 3, 2026
Reviewer name: MarianelaD
5 out of 5 stars
5 out of 5 stars review

12hour

[This review was collected as part of a promotion.] Excellent Cold and Flu Relief! I was really impressed with Mucinex 12HR Cold & Fever Multi-Symptom. It helped relieve my fever, headache, body aches, and cough quickly, and the effects lasted for many hours. I also noticed that it helped loosen mucus and made breathing much more comfortable. The extended-release formula is very convenient since I didn't have to take it frequently. Overall, this product provided effective relief and helped me feel much better while recovering from my cold. Highly recommended!

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.

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Jun 16, 2026
Reviewer name: NoelleG
5 out of 5 stars
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.

Review from influenster.com
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Jun 7, 2026
Reviewer name: DarleneL
4 out of 5 stars
4 out of 5 stars review

Long Lasting Relief

[This review was collected as part of a promotion.] This medicine worked well for my chest congestion, cough and body aches. It helped loosen mucus and made breathing easier, although made me very sleepy. The other downside is the pills are large and caused a bit of dry mouth. Overall, good for long lasting relief.

Review from influenster.com
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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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