Skip to Main Content
Sam's Club
Sam's Club
All Departments
All Services
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
1,892 ratings1,892 reviews
  1. 5 stars81% (1,532)
  2. 4 stars16% (297)
  3. 3 stars3% (56)
  4. 2 stars0% (6)
  5. 1 star0% (1)

Member photos

  • +2482 images
Sort by |
Showing 1,551-1,560 of 1,892 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
Helpful?1RQMQLXT1NBQ6004981466
Jun 20, 2026
Reviewer name: YamilyB
5 out of 5 stars
5 out of 5 stars review

Long lasting relief for multiple cold and flu symptoms in one table

[This review was collected as part of a promotion.] I tried Mucinex 12HR Cold & Fever Multi-Symptom during a recent cold and was impressed with how well it worked. It helped relieve my headache, body aches, cough, and congestion while also loosening mucus. The 12-hour formula provided long-lasting relief, so I didn't need to take it as often. I experienced no noticeable side effects and felt much more comfortable throughout the day.

Review from influenster.com
Helpful?1RQMQLXT1NBQ6004981466
Jun 8, 2026
Reviewer name: IsabellaP
5 out of 5 stars
5 out of 5 stars review

A total lifesaver when you're dealing with all the symptoms at once!

[This review was collected as part of a promotion.] What I love about this most is the 12-hour relief. You can actually get through a full work day or a solid night's sleep without waking up congested or achy the second a standard dose wears off. It really knocked out my fever and loosened up my chest congestion quickly. The tablets are on the larger side (typical for Mucinex), but absolutely worth the extended relief. Definitely keeping this stocked in my medicine cabinet!

Review from influenster.com
Helpful?1RQMQLXT1NBQ6004981466
Jun 2, 2026
Reviewer name: KelmaF
5 out of 5 stars
5 out of 5 stars review

Really good

[This review was collected as part of a promotion.] I want to start by saying that suddenly getting a cold the day before I received this was weird juju lol I took this sample for a "juat in case" moment but here it was. It didn't cause palpitations, works well for 10-12hrs. Did not cause drowsiness and I like that it has fast release and a longer lasting one. Also, no weird dreams.

Review from influenster.com
Helpful?1RQMQLXT1NBQ6004981466
May 27, 2026
Reviewer name: KammieS
5 out of 5 stars
5 out of 5 stars review

It must have for your medicine cabinet

[This review was collected as part of a promotion.] This were great I hope relieve my fever my headache from being so congested, and the bodyaches that I had. It helped break up the mucus in my chest so that I was able to cough the thin loose mucus up. Overall, I'm completely happy with this product. It came just in time as I was feeling under the weather. I definitely must have for your medicine cabinet. The instructions were very clear on how many tablets to take and how to take the medication.

Review from influenster.com
Helpful?1RQMQLXT1NBQ6004981466
May 31, 2026
Reviewer name: MairelysG
5 out of 5 stars
5 out of 5 stars review

A high-quality cold and fever medication with convenient 12-hour relief, easy-to-use packaging.

[This review was collected as part of a promotion.] I've been using Mucinex, it's a convenient option for managing several cold symptoms at once, the tablets are smooth and easy to swallow, simple to store at room temperature in a dry place, the 12 hours extended release formula means fewer doses throughout the day , always follow the directions on the package, the product combines a fever reducer and expectorant in one formula, making it a reliable all in one cold medicine, it provides long lasting relief for fever, headaches, body aches, cough and chest congestion , it's effective multi symptom support,

Review from influenster.com
Helpful?1RQMQLXT1NBQ6004981466
Jun 7, 2026
Reviewer name: RahafB
5 out of 5 stars
5 out of 5 stars review

Quicker relief

[This review was collected as part of a promotion.] This is super helpful I usually when I get sick I get realllly sick and it drags but with this one I noticed I was able to bounce back faster and got some relief within a couple days I like the pill is not huge and doesn't leave after taste thanks

Review from influenster.com
Helpful?1RQMQLXT1NBQ6004981466
May 27, 2026
Reviewer name: TetianaI
5 out of 5 stars
5 out of 5 stars review

Very helpful

[This review was collected as part of a promotion.] If you have a fever or a cold - this is your must-have. Perfect for pain, cough, chest congestion, headache and loosens mucus. Works for 12 hours 🙂 Great size and easy to swallow. Very helpful and will help you become healthier 🌷

Review from influenster.com
Helpful?1RQMQLXT1NBQ6004981466
May 27, 2026
Reviewer name: ReneeG
5 out of 5 stars
5 out of 5 stars review

Works

[This review was collected as part of a promotion.] Always does what it says. This is our preferred brand in our home. Easy to take and efficient formula makes this product appealing. I suggest taking as soon as symptoms start do not wait although waiting is still effective

Review from influenster.com
Helpful?1RQMQLXT1NBQ6004981466
Jun 2, 2026
Reviewer name: AmandaJ
5 out of 5 stars
5 out of 5 stars review

Great medicine to help with cold and fever!!

[This review was collected as part of a promotion.] If you need a medicine that will help with cold symptoms, Mucinex multi-symptom pills work great. This is a 12 hour medication that helps when you have all of the cold symptoms like fevers or cough. It contains the main ingredients for cough, suppression fever, reduction, and expectorant. It's a small pill that is easy to swallow and your symptoms start to reduce fairly quickly.

Review from influenster.com
Helpful?1RQMQLXT1NBQ6004981466