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A 18-year-old member asked:

Is it ok to take miralax (polyethylene glycol) for 3 months?

2 doctor answers3 doctors weighed in
Dr. Shaym Puppala
Internal Medicine 25 years experience
Depends on reason: No universal answer to this. Chronic constipation can have many causes such as side effect of meds, metabolic disease (eg. Diabetes, hypothyroidism), neurologic disease, low fiber diet, obstruction from colon polyps/colon cancer. This is why over-the-counter laxatives should not be used long-term for symptoms of unknown reason; getting to the root of the problem is highly advisable.
Dr. Arthur Heller
Gastroenterology 43 years experience
Might be: Agree with dr. Puppala's answer. If potentially serious causes checked for, ruled out, it can be used safely for 3 months. Better to treat the underlying problem, diet changes, etc. Whenever possible.

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Wilmington, North Carolina
A 53-year-old male asked:

Is it ok to take miralax (polyethylene glycol) daily for life? What are the alternatives?

1 doctor answer2 doctors weighed in
Dr. Oscar Novick
Pediatrics 58 years experience
Miralax (polyethylene glycol): A change in diet may be helpful. Increase the fiber in your diet by eating more fruits and vegetables with raisins, dates, figs and nuts. Reduce milk and milk products and eat high fibered cereals.
A 31-year-old member asked:

What happen if I take "polyethylene glycol 3350". For a month?

1 doctor answer1 doctor weighed in
Dr. Bac Nguyen
Family Medicine 23 years experience
Many use it longer: You should find out why you have chronic constipation first such as ruling out thyroid disease etc..If no underlying disease, try the natural way such as fibers, roughage, and adequate fluid daily. This med is relatively safe to use and many patients use it for months to yrs. Like any other med, use smallest effective dose for shortest possible time. Consult doc. Good luck.
A 43-year-old member asked:

Do i take miralax (polyethylene glycol) in the morning or at night?

1 doctor answer2 doctors weighed in
Dr. Russell Juno
General Surgery 22 years experience
Either time if good.: If you haven't had a bowel movement and are using MiraLAX (polyethylene glycol) now try it now if it is early in the day. If it is later then try it in the evening. If no effects by morning then repeat a dose.
A 44-year-old member asked:

What is the best way to take miralax (polyethylene glycol)?

2 doctor answers5 doctors weighed in
Dr. Perry Milman
Gastroenterology 48 years experience
In a clear liquid: Miralax (polyethylene glycol) can be mixed in any liquid, but if it is put in a clear liquid (even water), you will be able to make sure that it is completely dissolved. It has no taste, so it is very well tolerated. There is no particular time of the day that is preferable. Just try to take it about the same time every day.
A 36-year-old member asked:

How long does it take for miralax (polyethylene glycol) to work?

1 doctor answer1 doctor weighed in
Dr. Ryan Phasouk
Family Medicine 18 years experience
1-3 days: The onset of MiraLAX (polyethylene glycol) is usually 1-3 days. Remember, it is an osmotic agent that draws water into the stool and hence makes it easier to have a bowel movement.

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Last updated Jun 27, 2020
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