Can Miralax Raise Blood Pressure

Chrissy Says:

I've never had a Bp issue and since taking miralax for a week for constipation my bp was 166/104! Could it be the Miralax?

36 Replies (2 Pages)

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Verwon Says:

I double checked the side effects, both the consumer and professional listings, but I didn't find anything about it causing hypertension.

Learn more Miralax details here.

However, I think you should consult with your doctor for an exam and further testing, because while it isn't listed a side effect or reaction, other users have reported experiencing this from Miralax and their BP went back to normal when they stopped using it.

Did you have any other unusual symptoms?

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Chrissy Says:

No I haven't noticed anything. I stopped using the Miralax yesterday, increased my potassium and magnesium, drank lots of water, and cut out sodium. Today my Bp was 157/92..... I'm gonna keep a close check on it over te weekend as the Miralax leaves my system.

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Josh Says:

After being off of the miralax for some time now, how has your blood pressure been affected?

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heather Says:

I also experienced the same side effect with Miralax. I do have high bp but controled very well by medicine. When taken the Mitalax my bp went up really high. Soon as I stopped it went back down. Sounds like a common side effect

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Medical Mess Says:

I've absolutely linked Miralax with Hypertension. I had a BP of 280/130. By the time I was admitted to E.R. my BP med that I had taken had me at 230/110, deadly high. I had noticed I had taken my Miralax once a week, sometimes once every two when I had been taking it daily. I believe that's the issue. I took the Miralax and my BP shot up, it's 180/90 and climbing. If I survive this one. I'll attempt taking much lower dose daily again, if BP still shoots up then I'm done. Back to issues having a BM, Ex Lax, suppositories and Colace. I've have Colitis, take pain meds. Ladies watch the correlation of increased BP when taking Miralax. Does anyone else take Miralax as I do? I've got to try going back to daily, 1 Gram a day, instead of 5-10 once a week or biweekly. My script says 5-17 Gram dose, doc said find what works, I did but after years changed dosing habit, no doubt the Miralax caused the high BPs. Hope it can be solved.

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LisaLin Says:

I found this thread because I started taking miralax for a colonoscopy prep, ive taken 4 doses over 2 days as directed and have had head aches and now I feel like my pulse is throbbing and like ive climbed stairs hard possibley high bp, im gonna try to find a free diagnosis, this worries me.

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Brenda Says:

My BP also went sky high after I started taking 2 doses a day everyday for several months. It was well over 200/120 and I was hospitalized for 2 days to get it down enough to go home and now I am on 4 different BP meds to keep it stable. I am in stage 4 kidney failure and I am terrified that miralax is killing my kidneys

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Tom Says:

It says on the bottle DO NOT USE if you have kidney disease

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Brenda Says:

My gastroenterologist prescribed miralax, knowing full well that I have stage 4 kidney disease, because I can't have a bowel movement without it. I keep trying to tell him about the dangerously high blood pressure but he won't listen. I am 61 and female and 1 percent of the population has this side effect with 65 percent of that 1 percent being women 60 and over. Can anyone help me

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Bonnie Says:

as an otherwise healthy 54 year old- I just experienced High BP from miralax . I took a lot as prescribed for a coloscopy prep and felt jittery and mildly anxious for the next few days. I happened to have scheduled a routine doctor appt 2 days after and sure enough my BP was very high. It has never been high. I bought a home BP monitor and it stayed high for about 8 days. Of course I drank a gallon of miralax as prescribed (1/2 the recommended dose) the night before, but good thing I didn't drink all of it. I think more studies need to be done on miralax and B and Calcium/phosphorus. not doing that again.

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Kathy Says:

I took miralax every day for about 2 weeks. After 1 week I woke up with my heart beating fast and was up most of the night. I continued taking it and wondered if miralax caused it and asked my doctor and the pharmacist who both said that it would not be the cause of such symptoms. A week later the same thing happened again only worse with s blood pressure at 180/100 which is very high for me especially since I take a mild blood pressure medication at night. I haven't used miralax now for a week and have not had another episode.

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Henrie Says:

I have tried starting and stopping miralax 4 times now, Each time my blood pressure goes up and I get palpitations with many skipped beats. I was so concerned I saw my cardiologist. She assured me it was not a-fib but told me to stop the miralax. She said it's not listed as a side effect but that everyone is different. Well, I got so constipated I decided to give it one more try. Sure enough same symptoms so no more. I also have lots of cramping and watery diarrhea for 2 days so far this time. I took 17grams

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Sam Says:

I have high blood pressure but I have been taking Losartan and maintaining a good bp 120's/70's. I took miralax last night and today my bp is 150's/90's and sometimes higher. I have been drinking water trying to flush this crap out of my body. I will never take it again. Headaches and high bp and feeling sick is for the birds. For now on I will drink prune juice. All natural for me.

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Carol Says:

My BP has risen since trying Mirolax. So lm stopping it thank you

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Linda Hon Says:

My blood was 157/102 after taking Miralax last night and starting realizing that it goes up every time I take it which is about once a week. Never again.

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Grandpa Says:

My doctors had me on Miralax for 3 years. The last 3 months I have had high blood pressure and it's getting higher as time goes on. Doubling my BP meds has not helped. Finally I found these posts. I have stopped the Miralax for one day now. I will report back in 8 days. I hope this works for me.

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Linda Hon Says:

I will never take Miralax again. I am eating prunes every day and seems to help and do not have blood pressure problems.

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Jesse Says:

I was in the hospital and very constipated and took Miralax for a couple of days and I do not know if it was a coincidence but my blood pressure spiked to 180/100, 3 days in a row. Very scary. Stopped Miralax and blood pressure dropped to normal. Who knows what it is in the stuff that is causing spikes.

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TangoBango Says:

I have been taking Miralax daily for over 3 months. I have always had Hypertension problems and take a low dose med which did correct it. But lately my BP spikes have gotten higher & my home readings won't go below 160/95? I did think Miralax had HBP as a side effect but after reading these comments, I'm stopping it today & flushing it out with lots of water. I will stick with natural laxatives like prunes. I will check back in a few days.

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emgee Says:

ABSOLUTELY!!!!! I didn't take Miralax, but a solition very similar and, 8 days later, my normal blood pressure is STILL dangerously high. I give this to my special needs daughter, 23 years old, and her BP is higher than it should be. The Pharm co. and/or doctors are keeping us in the dark about something very dangerous

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