Does Miralax (polyethylene glycol) cause side effects?
Miralax (polyethylene glycol) is an osmotic laxative used to treat occasional constipation and for bowel preparation prior to procedures.
Miralax works by retaining water in the stool, resulting in softer stools and more frequent bowel movements. Miralax does not affect glucose and electrolytes in the body.
Common side effects of Miralax include
- stomach cramps, and
- gas (flatulence).
Serious side effects of Miralax include
- severe or bloody diarrhea,
- rectal bleeding,
- blood in the stool, and
- severe and worsening stomach pain.
No drug interactions have been established with Miralax.
It is unknown if Miralax will harm a fetus. It is unknown if Miralax enters breast milk. Consult your doctor before breastfeeding.
What are the important side effects of Miralax (polyethylene glycol)?
Side effects of polyethylene glycol are
- stomach cramps, and
Patients with have kidney disease should consult with their doctor before using this product.
Miralax (polyethylene glycol) side effects list for healthcare professionals
Do not use if you are allergic to polyethylene glycol
Do not use if you have kidney disease, except under the advice and supervision of a doctor
Ask a doctor before use if you have
- nausea, vomiting or abdominal pain
- a sudden change in bowel habits that lasts over 2 weeks
- irritable bowel syndrome
Ask a doctor of pharmacist before use if you are taking a prescription drug
When using this product you may have loose, watery, more frequent stools
Stop use and ask a doctor if
- you have rectal bleeding or you nausea, bloating or cramping or abdominal pain gets worse. These may be signs of a serious condition.
- you get diarrhea
- you need to use a laxative for longer than 1 week
If pregnant or breastfeeding, ask a health professional before use.
Keep out of the reach of children. In case of overdose, get medical help or contact a Poison Control Center right away.
Miralax (polyethylene glycol) is an osmotic laxative used to treat occasional constipation and for bowel preparation prior to procedures. Common side effects of Miralax include diarrhea, nausea, stomach cramps, and gas (flatulence). Serious side effects of Miralax include severe or bloody diarrhea, rectal bleeding, blood in the stool, and severe and worsening stomach pain. It is unknown if Miralax will harm a fetus or if Miralax enters breast milk.
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Professional side effects and drug interactions sections courtesy of the U.S. Food and Drug Administration.