Miralax and Obstruction - from FDA reports

Obstruction is found among people who take Miralax, especially for people who are female, 60+ old , have been taking the drug for < 1 month, also take medication Aspirin, and have Crohn's disease. This study is created by eHealthMe based on reports of 45,462 people who have side effects when taking Miralax from FDA, and is updated regularly.

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On Oct, 17, 2018

45,462 people reported to have side effects when taking Miralax.
Among them, 11 people (0.02%) have Obstruction

Number of reports submitted per year:

Could Miralax cause Obstruction?

Time on Miralax when people have Obstruction *:

Gender of people who have Obstruction when taking Miralax *:

  • female: 81.82 %
  • male: 18.18 %

Age of people who have Obstruction when taking Miralax *:

Top conditions involved for these people *:

  1. Short-Bowel Syndrome (a condition in which the body cannot absorb enough fluids and nutrients because part of the small intestine is missing): 1 person, 9.09%
  2. Preventive Health Care: 1 person, 9.09%
  3. Intestinal Obstruction: 1 person, 9.09%
  4. Indigestion: 1 person, 9.09%
  5. Crohn's Disease (condition that causes inflammation of the gastrointestinal tract): 1 person, 9.09%

Click here to view more results or personalize the results to your gender and age

Top co-used drugs for these people *:

  1. Imdur: 2 people, 18.18%
  2. Aspirin: 2 people, 18.18%
  3. Zofran: 1 person, 9.09%
  4. Creon: 1 person, 9.09%
  5. Januvia: 1 person, 9.09%

Click here to view more results or personalize the results to your gender and age

Top other side effects for these people *:

  1. Pain: 4 people, 36.36%
  2. Diarrhea: 3 people, 27.27%
  3. Drug Ineffective: 3 people, 27.27%
  4. Abdominal Pain: 2 people, 18.18%
  5. Hypotension (abnormally low blood pressure): 2 people, 18.18%

Click here to view more results or personalize the results to your gender and age

* Approximation only. Some reports may have incomplete information.

FDA reports used in this study

Do you have Obstruction while taking Miralax?

You are not alone:

Related studies


Miralax has active ingredients of polyethylene glycol 3350. It is often used in constipation. (latest outcomes from Miralax 46,067 users)


Obstruction has been reported by people with crohn's disease, diabetes, pain, osteoporosis, high blood pressure (latest reports from 1,607 Obstruction patients).

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Miralax side effects
Browse all side effects of Miralax
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What would happen?

Predict new side effects and undetected conditions when you take Miralax and have Obstruction

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NOTE: The study is based on active ingredients and brand name. Other drugs that have the same active ingredients (e.g. generic drugs) are NOT considered.

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