MIRALAX Reviews (POLYETHYLENE GLYCOL 3350)

Average Rating: 3.3 (534 Ratings)

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 LAXATIVES

 Type: Over-the-counter Drug

  

MIRALAX  (POLYETHYLENE GLYCOL 3350):  This medication is used to treat occasional constipation. It works by holding water in the stool to soften the stool and increases the number of bowel movements. It is known as an osmotic-type laxative. This medication is also available without a prescription. If you are taking this medication for self-treatment, it is important to read the manufacturer's package instructions carefully so you know when to consult your doctor or pharmacist. (See also Precautions.)    (Sources: U.S. Centers for Medicare Services, FDA)

  

Results are sorted by Gender males first.

Key to Ratings: 1=LOW (I would not recommend taking this medicine.)
5=HIGH (this medicine cured me or helped me a great deal.)

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RATING  REASONSIDE EFFECTS FOR MIRALAXCOMMENTSSEXAGEDURATION/
DOSAGE
DATE ADDED
 
 3  Bowel Dysfuntion/Constipation I just started to take Miralax less than two weeks ago and have had mixed results. It took five days to have a BM, after which I was able to, daily, for about a week. But already it seems not to be working as well as it was at first. I continue taking it but I'm still constipated. I've been starting to get acid reflux, which, I'm afraid, may be a reaction to the Miralax. I've tried everything else possible. I had a bowel resection in February that almost killed me, spent almost six weeks in the hospital, endured several infections, and after all of that, I'm just as constipated, nauseated and fatigued as I was before the surgery. I was hoping that Miralax would get me through until I can figure out what to do next. I'm hoping and praying that I can find a regimen that works for me without significant side effects. M 51
7/4/2009
 3  Constipation Gurgling in stomach after taking (and laying down). Foul gas. Increased arthritic stiffness after two days, increased arthritic pain after three days, intense arthritic pain on day four. This product worked as prescribed, I noticed the difference after the first dose and it had me regular again after just two doses. However I had more gas accompanied by a much more unpleasant odor. I thought I had my arthritis under control, I'd been feeling better than ever, but the arthritis pain I had on the 4th day was the worst I've ever experienced. I stopped taking MiraLAX after 3 days and am feeling better again here on day 6. I had not noticed anyone else complaining of this symptom, but since others had mentioned an itchy rash (allergic reaction/inflammation), it makes sense that this could also happen. M 39 3 days
5/11/2009
 3  Post-Colon resection/Diverticulitis Ever since less than week after taking Miralax I developed very painful spasms in my neck and shoulders. I was unable to stop taking it because it's the only thing that makes me able to have a BM. I have had diverticulitis, part of my colon removed, and still unable to function. I stopped taking Miralax two weeks ago and switched to Lactulose - pain in neck, etc, decreased dramatically but didn't fully resolve. I returned to Miralax three days ago out of total desperation and muscle spasms have never been worse. Pain dramatically increased an hour or two after taking it. I am now nearly paralyzed with severe pain in neck, upper back, tendons. I've read that certain drugs can trigger an autoimmune disease that causes tendonitis and never goes away. I'm starting to wonder if Miralax can cause the same problem. Otherwise.....I thought Miralax was the best laxative I've ever used. It's amazing stuff, if you don't have sensitivity issues with it. Had I found Miralax before I had part of my colon removed, I probably never would have done it. M 51 6 months
12/15/2009
 3  Chronic constipation Worked well but dehydrated me despite drinking tons of fluid. Made my hands itch M 53 2 weeks
17 g
7/2/2016
 3  Doctor recomended Not consistent may skip days and most time it has so much. Gas it blasts out . Sometimes requires suppository to get. Started been taking for several years just wish it was more dependable M 78 1 months
Cap full
8/18/2015
 3  Constipation The Miralax definitely helped my constipation, only had to take it 3 days. BUT, I have developed heart palpitations that are still going on 3 days after my last dose. Looked it up and it appears this can be a side effect. Please be wary and do NOT take more than directed (it can still happen with the recommended dose). M 35 3 days
17 grams 1X day
6/13/2023
 3  IBS-C Stomach pain, intestinal gas (not stomach gas). Have tried ALL natural and Rx drugs. Miralax is the least painful and works 99% of the times. I have used it daily, or every other day, or twice a week. I always take 1 capful after dinner (~8:00pm). M 73 5 years
15ml 1X day
4/4/2023
 2  Impaction caused by constipation Vomitting; Bowel that is watery or "snakes" as my son calls it; anal leakage At first I thought it was working until X-rays later, it showed he still has an impaction and is now back in pull-ups and starts kindergarden in 1 month. Was told he would have to take it for sometime after he was regulated. Am now going to a wholistic nurse instead of GI specialist at Yale. Try Rhubarb - much more natural!!! M 5 18 months
6/29/2009
 2  IBS-C Frequent urination, bloating, gas. My gastroenterologist prescribed 1/2 cap dosage. At first, this worked well, then after about 10 days, I found that the medication was doing nothing but bloat my abdomen and cause me to frequently urinate. My gastroenterologist then suggested that I increase the dosage to a full dosage as he felt I was not evacuating enough. He also added that increasing the dosage would ease the frequest urinating urges. He was wrong. I took the full dosage for 3 days and I had to stop. I was so bloated and distorted in my abdomen that it hurt to even breathe. The frequent urination continued so much that I was up all hours of the night to use the bathroom. I still have the issues where I do not evacuate enough. All my tests including the colonoscopy were normal. I have had a prostate biopsy which was also normal. There is no relief using this medication. M 52 2 months
9/1/2009
 2  Chronic Anal Fissure Not sure, because it's only day two, but I suspect this is affecting me like fiber supplements and stool softeners; i.e. it aggravates the sore and causes extreme post-BM pain ... a sharp stinging pain on the sore itself that resonates throughout my entire midsection like a back spasm. 1000 mg of Tylenol may take the edge off. If I'm home, a warm bath after voiding really helps. But I am not home today and am in severe pain. Probably lessened the bowel movement pain, but afterward the stinging pain grew steadily. I want to believe the "miracle," so I'll give it a couple more days, as I have run out of remedies. A sphincterotomy ten years ago helped for years, but the fissure now comes back regularly for weeks at a time. I use nitro paste when I can, but it sometimes gives me a headache, especially after a warm shower/bath. Acupuncture? M 47 2 days
17 mg 1X day
11/18/2010
 2  constipation Chest pain. Heart burning ; headache, head feel blowout and full; Mouth jaw hard to open and sour; feel some thing in the intine; back pain; weak and leg pain; can not fell into sleep easily; wake up at night for no reason; feel scare; Why the Miralax medicine has so many side effect and still selling without more label for side effect M 58 14 days
17MG 1X day
1/27/2011
 2   My son was constipated due to the effects of post-surgery pain medication and his unwillingness to drink enough fluids (he had his tonsils out). The pediatrician told us to give him MiraLAX. It did result in a bowel movement, but that was followed by all night explosive diarhea and writhing agony. His stomach muscles were as hard as bricks and he bellowed in agony on and off again. IF we are ever desperate enough to use this again, I'll be going a quarter capful every other day, but I'm exceptionally hesitant given the pain my son has been in all night. My advice is to take half the dose recommended and then wait at least two days before repeating the dose. M 3 2 days
half cap 1X day
8/4/2011
 2  bowel prep severe nausea, weakness, restless, headache one hour after drinking miralax mixed with gatorade, I had severe nausea, headache, weakness and could not sleep all night. M 59 1 days
340 1X day
12/26/2011
 2  colonoscopy prep My colonoscopy prep consisted of 10 oz magnesium citrate, then, 8.3 oz Miralax in 64 oz Gatorade and 4 dulcolax tablets. Prep worked well. Colonoscopy went well with removal of 2 non cancerous polyps. Within 4 hours post procedure I experienced severe abdominal cramps, nausea, vomiting. Went immediately to emergency room and was diagnosed with bacterial colitus. Prescribed drugs Metro... and Cipro... to take for 10 days. For next week, experienced extreme weakness, loss of appetite, dark urine. Stools continued loose but not watery. 15 days later my colon is still not operating properly, not removing water sufficiently and lacking any natural e coli, killed by drugs. My gastro dr. opined that he could not identify the cause of my "toxic shock" experience. He stated that the Miralax might have caused the problem. Don't know that I believe him, could have been bacteria introduced by the colonoscopy equipment. M 75 1 days
8.3 oz 1X day
7/19/2010
 1  colonoscopy Violent vomiting M 55
355 1X day
7/22/2010
 1  Colonoscopy prep Did not get all the stool out have to have the procedure again with go lightly M 60 1 days
238 mg 1X day
1/23/2012
 1  my 8 yr olds severe constipation Severe burning pain every time he had a bowel movement. I have replaced it with fish oil and everything is much better M 8 1 months
18mg 2xday
6/11/2012
Email
 1  colon prep After 1 hour, severe gas, bloating, nausea, dizziness, headache, and increase in BP. After 5 hours I just gave up trying to finish, every sip started it all over again. Next morning I'm still belching. M 51 1 days
8.3oz 1X day
2/14/2012
 1   This was horrible for my son was prescribed for constipation sent him back to er after a week did not help. .two weeks later he was getting worse with pains and still going but this stuff practically burned a hole in his belly reviews say not fda approved for children. .will never give this to my child again. M 9 30 days
2/18/2018
 1  constipation son has frequent urination, extreme fatique, spaciness, face and motor tics, change of personality. have eeg scheduled in 3 days. this was prescribed by doctor. M 5 28 days
full cap 1X day
7/21/2011

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