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Generic Name: Dextromethorphan / guaifenesin for Cough (dextromethorphan-guaifenesin)

Dextromethorphan / guaifenesin for Cough Reviews

Mucinex DM (dextromethorphan / guaifenesin) "Took Mucinex at 5 in the afternoon. Around 8, took my night meds. Next morning, stumbling around, body felt like it was flooded with heat-chest and arm pains. Had myself checked out and was ok. Pulled up the website to get a complete list of medicines not to take it with and found my answer there. If you have access to the internet, I would put the OTC medicine in and get a complete list of what not to take it with."


Mucinex DM (dextromethorphan / guaifenesin) "Medicine works very well for the specified 12 hours but wow it is very strong. I weigh 105 pounds and taking an entire pill will have me falling over and seeing double very shakey also but giving it a seven because at least I can breathe now and this is the only medication that works for that my inhaler won't even help me any more."


Mucinex DM (dextromethorphan / guaifenesin) "Am nursing to 7 months old baby. Had bad sore throat, congested nose. Took Mucinex DM only 4 doses & it worked well. No side effects on baby. I like it & recommend it. 1st dose made my eyes watery but then everything went okay."


Robitussin Cough + Chest Congestion DM (dextromethorphan / guaifenesin) "The expectorant “guaifenesin” is superb, and I usually take Mucinex for severe COPD issues on a regular basis. However, Mucinex-DM is not covered by my insurance, Mucinex is. With a severe cough, I was RX generic Robotussin DM. Worked very well. NOTE! I take several OTC meds regularly, and all but moisture eye drops (for me, and not RX covered) my Dr. writes a script for, and are MUCH less$$ then buying the same meds OTC. Insurance coverage including Medicaid (not sure about Medicare, check it out anyway) may save major$$ by getting a RX for OTC meds. Never hurts to ask for a RX, and it’s easier then asking your insurance company, which U can do, as long as U don’t die on hold..."


Mucinex DM (dextromethorphan / guaifenesin) "Took mucinex md for the onset of cough. The musimex the first day I noticed an improvement but had slight troubled sleeping. The second day no improve the from the mucinex and zero sleep. In combination with my other asthma meds it made my heart race which made me have to take rescue inhaler. I recommend going to dr before taking this with asthma patients."


Mucinex DM (dextromethorphan / guaifenesin) "(51F) I took two pills of MucinexDM for Covid symptoms, and it didn’t touch my cough or congestion. But, my eyes swelled shut and started leaking copious amounts of green goo, and my pulse was over 100 even at rest. Not a good first experience!"


Mucinex DM Maximum Strength (dextromethorphan / guaifenesin) "Great product..... worked well in attacking COVID 19 symptoms. Helped reduce coughing and fever!!! Buy the Generic 1200mg for a much lower price!! It works very well!! Take two every 12 hours for best results!!"


Mucinex DM (dextromethorphan / guaifenesin) "I had flu symptoms after a flu shot. They came on immediately but the pharmacist at Walgreens said that the connection was impossible and recommended Mucinex. It does absolutely nothing to relieve the cough, runny nose or anything. She said that the Nyquil I intended to buy wouldn't work. No more Walgeens or Mucinex for me."


Mucinex DM Maximum Strength (dextromethorphan / guaifenesin) "I purchased a bottle of Mucinex DM. Took one cap as directed every 4 hours. After the third dose the headaches got very bad. My heart rate was very elevated. I could not eat as I would throw up anything I ate."


Mucinex DM (dextromethorphan / guaifenesin) "Had chest congestion, stuffy nose and sore throat the instructions recommended 1 or 2 tablets it worked very well. However I'm spitting aqua blue/green saliva??? can't find any reference in my research indicating this being one of the side effects ..."


Mucinex DM (dextromethorphan / guaifenesin) "I have a cold with a cough, some post nasal drip, and congestion. I took this before bed hoping to calm the cough and get some of the stuck mucus out of my chest. It did help me suppress the cough, but also made me wake up at 4 am with a panic attack. Fingers tingling, face numb, heart beating crazy fast, and feeling nauseous and dizzy. Unable to fall back asleep. I have had a similar reaction with dextromethorphan before, but not since I was a kid. I don't recommend taking this if you have adverse reactions to sleep medicines or other sedating medication. I often have the opposite effect with those meds, and this was no different."


"This medication is only slightly less effective than codeine or hydrocodone, in treating cough and has fewer side effects than both. The only negatives are the frequent required dosing and the unpleasant taste from these products."


Safetussin DM (dextromethorphan / guaifenesin) "Safetussin is a pretty safe drug. I have been suffering from a nagging cough associated with sinusitis, and it has been able to manage it. This drug is especially useful for people that respond badly to delsym due to the fact that it has 1/6 the level of cough suppressant (dxm). Overall, great choice for people who don't want to take delsym."


Mucinex DM (dextromethorphan / guaifenesin) "The directions say take 1 or 2 pills every 12 hours. I took 2 pills and landed in the ER. Very strong meds!"


Mucinex DM (dextromethorphan / guaifenesin) "All this pill does for me is make me really lightheaded and Numb all day. I’m never taking Mucinex Dm ever again."


Robitussin Cough + Chest Congestion DM (dextromethorphan / guaifenesin) "Very good cough medication."


Mucinex DM (dextromethorphan / guaifenesin) "this medicine definitely reduced congestion in my nose. I had not been able to breathe out of the right nostril for several days."


Robitussin Cough + Chest Congestion DM (dextromethorphan / guaifenesin) "I had a very bad cough and stopped up nose etc. All good now"


Robitussin Cough + Chest Congestion DM (dextromethorphan / guaifenesin) "Slight loosening of bowels"


Mucinex DM (dextromethorphan / guaifenesin) "Fantastic! I panic if I don’t have these in the house. I get a terrible cough 2-3 times a year and this suppresses cough so I can sleep and thins mucus at same time"


Mucinex DM (dextromethorphan / guaifenesin) "Muncinex DX did not work for my son and I. Instead of controlling our cough, we coughed for hours. It did not loosen our mucus as stated on the box. I would not recommend this product."


Duratuss DM (dextromethorphan / guaifenesin) "This medication has a lot of side effects and it is gross. It did not help with my symptoms at all partly because I could not get over the taste, and it produces really bad headaches."


"I took 2 tablets. Definitely dried me out. I did not get 12 hours of rest as I was up chugging water all night and suffered a bloody nose to boot. Will never use this product again."


"I have taken dextromethorphan/guaifenesin for over 10 years. I have no side effects that I am aware of. My doctor knows I take. It helps my congestion and cough."


Mucinex Fast-Max DM Max (dextromethorphan / guaifenesin) "I have been taking it for 2 weeks and it has not done anything for the mucus in my throat. I am still coughing a lot and trying to get it out. I won’t use this stuff anymore."

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Patient resources

  • Dextromethorphan and guaifenesin drug information
  • Guaifenesin and Dextromethorphan Capsules and Tablets
  • Guaifenesin and Dextromethorphan Extended-Release Tablets
  • Guaifenesin and Dextromethorphan Granule Packets
  • Guaifenesin and Dextromethorphan Liquid

Other brands

Mucinex DM, Tussin DM, Mucinex DM Maximum Strength, Robitussin Cough + Chest Congestion DM, ... +29 more

Professional resources

  • Guaifenesin-DM NR prescribing information

Other brands

Mucinex DM, Tussin DM, Mucinex DM Maximum Strength, Mucinex Children's Cough, ... +2 more

Related treatment guides

  • Expectoration
  • Cough