Mucinex DM Side Effects!

Posted on October 5, 2010. Filed under: Uncategorized | Tags: , |

My husband came down with what I call the crud last Monday–a cold, which quickly turned into a bad cough, leaving him short of breath and weak. After trying several over-the-counter drugs, I bought Mucinex DM 12-Hour Extended Release tablets. They seemed to help – the drainage – and thus, the coughing – were much better.

So, when the beginning signs of the crud hit me, I thought I’d get a jump start on it and took one Mucinex DM tablet, hoping that it would prevent me from getting as sick as he was. But the opposite happened – I became even sicker. Within four hours, I was hit with a wave of diarrhea that was sudden and immediate. After spending an entire night tossing, turning, jittery, and going back and forth to the bathroom, I finally slept for an hour – only to be awakened by a bout of nausea that had me flying right back to the bathroom, which is where I should have had my pillow. After several episodes of violent dry heaves, I went back to sleep.

When I woke up, I had severe pain in my jaw on both sides and it felt like every bone in my face had a terrible toothache. I was dizzy and disoriented. At one point, I even thought it was snowing outside (it was over 70 degrees that day). I checked the side effects on the box:  There were none. There is a warning that it is not to be taken with certain drugs, but that wasn’t an issue- I didn’t have any other drugs, not even a Tylenol, in my system.

So, I went online, and Googled: Mucinex DM 12 Hour Extended Release Side Effects. Wow! One site reported 170 adverse reports, 66 hospitalizations, 2 deaths – but 0 FDA Safety Alerts for Mucinex! The comments were all indicative of the way I felt – inability to focus/concentrate, jittery and nervous, disoriented, lethargic, and all the while I could feel my heart beating fast and hard against my chest. Some said the sensation was similar to being on acid, but I wouldn’t know. I do know that I felt drugged.

I only took the one tablet, and never took another one. I never will again. It took more than 30 hours for that one pill to leave my system. As soon as it did, my nasal congestion returned, along with my cough, but I can deal with that and prefer it to misery that I went through for a few days.

Why doesn’t an over-the-counter pill that is leaving so many users with such adverse side effects list them on their packaging? Shouldn’t all potential users by aware of the potential dangers or side effects of this drug? When I searched a few other sites, I found others who had similar side effects – but the majority of the ‘official’ sites only listed ‘dry mouth, thirst’ etc. Very minor reactions.

I’ll admit Mucinex DM does help the cough and the nasal drainage; however, for me, its benefits don’t outweigh its side effects. Yes, I might have had a hypersensitivity to the drug, or maybe yet, an allergic reaction. But the company fails to shed light on that possibility, as well – leaving people with the impression that Mucinex DM is harmless and any side effects are minor and insignificant.

I wonder how successful their sales would be if they exposed the adverse side effects of their medication?

To view patient comments claiming side effects to Mucinex, go to:

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