MIRALAX Reviews (POLYETHYLENE GLYCOL 3350)

Average Rating: 3.3 (535 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 Age oldest to youngest.

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
 
 1  Colonoscopy 238 mg Miralax & 64 oz of Gatorade starting at noon drink 8 oz glass every half hour till gone. At first seemed like it didn't work then all hell breaks loose. I have had 1 sygmodoscopy(spelling? and two colonoscopy before but never took it with Miralax. Will never again. After colonoscopy still in the bathroom can't stop it no matter what I eat. Pain in my lower bowels. Called the Doctor who said they never heard of any of these side effects. Guess he never read Ask A Patient. It is now 10 days since the colonoscopy and starting to feel like a normal person again and having a normal bowel movement. All the other procedures did not have the Miralax outcome. I'm suppose to have a colonoscopy in 5 years and I know I will not take Miralax they will have to recommend something else. F 71
238 mg 1X day
6/10/2016
 5  IBS, chronic constipation. No side effects whatsoever and my only small complaint would be that it seems to cause the stools to have a very strong odor. Since childhood I have had IBS, but it wasn't until I was 60 that I discovered it was due to lactose intollerance and by then a lot of damage had been done to the lower GI, resulting in severe diverticulitis, constipation, and very difficult bowel movements. In fact, the force needed to empty the rectum resulted in a pelvic floor collapse. By the time I was 70 I was at my wit's end. Like others, I had taken a fiber supplement, drunk lots water, and complained to Drs. who really do believe fiber is a cure-all but, as I found out, it can be very constipating. I ended up with an excrutiating fissure, and severe internal hemorrhoids. To his great credit, an Urgent Care doctor recommended Miralax, and now, seven months later, the fissure has healed, the hemorrhoids are calm, and I am gradually relaxing at the need to have a bowel movement for the first time in so, so many years. Miralax has been wonderful for me, and I appreciate and relate so much to all the others who have shared their st F 70 7 months
4/16/2007
 2  Constipation It makes you feel weird. Only used as stools were small and hard. I will only use when necessary. I take lisinopril and have near fainting once in awhile that seems connected to constipation. I am increasing whole grains and fiber using olive oil and prunes and Greek yoghurt. Emergency use only. Small small amount! F 70 1 days
1tsp only! 1X day
4/24/2022
 1  colonoscopy prep Projectile vomiting several times that night--felt awful. High blood pressure--165/90 (mine is usually low normal; very sick for days.This stuff should be banned. I never had a problem with magnesium citrate, felt good in fact. Horrible, toxic stuff, at least for a percentage of patients. I discovered that many others had the same experience. F 70 1 days
1X day
12/12/2019
 1  colonoscopy prep Vomiting, cramping, dizzy, sweating, etc Tastes like kerosene smells F 70 1 days
14 doses 1X day
9/30/2015
 1  Prescribed for IBS Constipation Causes very high blood pressure - 161/105 Miralax is very dangerous to take. It caused very high BP. My normal BP was 115/78 and after taking Miralax daily as recommended by my Dr, my BP rose up to the 160's/100's. M 69 5 years
17 MG 1X day
11/10/2023
 5  constipation entire life none I am concerned about long time use F 68 3 years
10/23/2006
 5  Colon rupture from Diverticulosis Leaking at times I started taking metamucil after I had a rupture of the colon. Metamucil caused my stool to be dry and diminished in size. I stopped the metamucil and started the miralax and I have had wonderful results. I am able to have a bowel movement every morning after taking the miralax, {with out straining,} and maybe a small movement later in the day. I have had some leakage but after adjusting the dose of miralax, that has stopped. I am so glad that I started this medication. I now face a partial colonectomy in a few weeks. F 68 3 months
30mg 1X day
6/15/2010
 5  CHRONIC CONSTIPATION The only side effects I've detected is a peculiar odor, but what are we talking about? It stinks anyway. Then there's an occasional episode of watery results, but that's better than the other problem and easily fixed by skipping a dose. The benefits far outweigh the negatives. Without MIRALAX I feel terrible but a daily dose soon gets me right. I've been told by doctors & pharmacists "there's no problem with a permanent daily dose". Others say "drink more water and eat fiber". That hasn't worked for me, but adds confusion. I've stopped Miralax from times-to-time in fear of becoming dependent; then resume it after a few days. This on and off routine is two yeas old. I think I'll let go of the fear and take it every day. Life's a lot better with it. M 68 14 days
1X day
12/19/2010
Email
 1  constipation Intestinal bleeding like prostate cancer M 68 2 days
1X day
2/19/2011
Email
 1  Constipation Thought it was the answer to lifelong constipation. Then saw the study showing over 50% increase in chance of developing dementia with regular use. https://n.neurology.org/content/100/16/e1702 I called Miralax and no comment. I said they really need to address this study! Not sure what to do but I cannot take something that has that high of a chance of causing dementia. F 68 2 weeks
30 MG 1X day
6/6/2023
Email
 1  Constipation My physician said to take 2 doses daily 2 days in a row. Nothing happened. Then I was told after waiting for 2 days to take another dose. My entire abdomen is still in pain 4 weeks later. Iwill throw the rest of this out! F 68 2 days
2X day
10/7/2020
 5  dryness of colon; immotility Perhaps increased dryness elsewhere (lungs, eyes, nose). Try this to "even out" the action of PEG. Thoroughly dissolve 1/2 dose of PEG in 10 oz. of water. THEN stir in 1/2 dose of a psyllium product ("Metamucil"). Flavored takes away any "plastic" taste of the PEG to boot. Take 1-2 times a day. This gives me more predictable, gentle action than PEG alone. MAY help with gas after a while, too. Note I said ONE HALF dose psyllium. Good luck, fellow sufferers. M 67 2 years
9 gm 1X day
3/6/2011
 5  Constipation None Has anyone been advised about the danger of or experienced electrolyte depletion because of constant use of Miralax? I was warned by my physician of this possiblilty but felt the result of using Miralax was worth the risk. I have experienced an increase in PVCs but can't necessarily correlate the increase with Miralax use. M 67 5 months
1/3 cap 1X day
12/15/2010
Email
 4  IBS with constipation Gas with the generic. I eat a high fiber diet, take a fiber supplement 2-3 times a day, and drink 8 glasses of water daily. Also exercise daily. Still had chronic constipation with pain and bleeding hemmorhoids. Have had problems since I was a baby. Now my medication for high cholesterol aggravates the problem. The gastroenterologist prescribed Miralax, she said there are no side effects and it was safe for long term usage. It has helped me tremendously. I am interested to read about the problems with wheat. That may be contributing in my case. I know the dairy products do and avoid them. F 67 4 years
5/10/2007
Email
 2  colonoscopy prep Felt sick to stomach all afternoon the day I took it. Continue to have irritated stomach 5 hours after procedure. General cooments are that this is an easier prep than those of past years- but no so for me. F 67 1 days
1X day
11/22/2010
 1  constipation on the 6th day diarrhea soft mush, cramps, farts with lumps in them are called "SURPRIZES", soiled underwear for a week. NO MAS who knew? I took this to counter constipation due to fact I am taking LONG TERM strong pain medication, never again. I took as directed at night 8 oz juice 1 packet MIRALAX. M 67 5 days
1X day
2/22/2017
 5  constipation after bowel resection None! After 10 years of severe constipation and partial small bowel obstructions, my GI doc put me on Miralax. Within a day it started to work and I am now very regular - 2x per day. This drug has changed my life in very positive ways and I recommend it to anyone with a severe constipation problem. M 66 1 months
1 cap full 1X day
12/8/2010
 5  constipation after liver transplant none I could not function without it. I was able to keep working and just retired last month. I cannot say enough good things about it. As far as long term, I have been taking it since November of 2003, 6 years and counting. I take it every evening. M 66 6 years
1/28/2010
Email
 5  chronic constipation None I swear by it.....have had no side effects whatsoever F 66 8 years
3/6/2008

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