Compare Moviprep vs. Dulcolax

Head-to-head comparisons of medication uses, side effects, ratings, and more.

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Cleans your colon in preparation for a colonoscopy.

Cleans your colon and requires less volume intake than other bowel prep regimens.

Treats constipation.

Dulcolax (Bisacodyl) works fast and the suppositories work even faster to relieve your constipation, as long as you're okay with it "cramping" your style a bit.

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3.8/ 5 average rating with 160 reviewsforDulcolax
Upsides
  • In studies, Moviprep (polyethylene glycol-electrolyte solution) was as effective as other laxatives for cleansing the colon.
  • Unlike other colonoscopy preps that taste salty, Moviprep (polyethylene glycol-electrolyte solution) is lemon flavored.
  • You drink less fluid with Moviprep (polyethylene glycol-electrolyte solution) compared with other bowel preparations.
  • Most people said it was worth taking and it wasn't too much of a hassle.
  • Tablets give overnight relief of your constipation.
  • Dulcolax can also be used to treat constipation caused by spinal cord injury.
  • Suppositories give you quick relief without having to drink a large amount of liquid medicine.
Downsides
  • You may experience common side effects such as abdominal bloating, diarrhea, thirst, dizziness, anal discomfort, and hunger.
  • Has a higher chance of causing sleep problems and serious chills than other colonscopy preparations.
  • Dulcolax can cause cramping, stomach upset, feeling faint, and the feeling that you "have to go right now".
  • You have to be comfortable with putting the medicine in your rectum.
  • Suppositories can cause slight rectal burning.
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Used for
  • Preparation for colonoscopy
Dosage forms
  • Powder for reconstitution
  • Pill
  • Suppository
Price
Lowest price
$113.03
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Lowest price
$1.26
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Reviews
Not enough review data.Leave a review
160 reviews so far
65%
saidit'sworth it
49%
saiditworked well
16%
saidit'sa big hassle

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Side effects
12possible side effects
  • Abdominal bloating
    60%
  • Anal discomfort
    52%
  • Thirst
    47%
  • Nausea
    47%
  • Abdominal pain
    40%
  • Sleep problems
    35%
  • Shaking chills
    34%
  • Hunger
    30%
  • Flu-like symptoms
    27%
  • Vomiting
    7%
  • Dizziness
    7%
  • Headache
    2%
See more detailed side effects
The Dulcolax (Bisacodyl) FDA package insert doesn’t have numbers about how common side effects are.
Risks and risk factors
  • Electrolyte imbalance
  • Choking or vomiting
    • Swallowing prblems
    • Gastric reflux
  • Red blood cell problems
    • G6PD deficiency
  • Abnormal heartbeats
See more detailed risks and warnings
  • Bowel blockage
    • Age 60 or older
    • Malignancy
    • Other condition that causes blockage or narrowing of bowel
    • Taking medications that cause constipation
  • Laxative dependence
    • Age 60 or greater
    • Taking medications that cause constipation
    • People who can't walk or move well (immobility)
  • Risk to fetus
    • Women of childbearing age
See more detailed risks and warnings
Learn more about Moviprep (polyethylene glycol-electrolyte solution)
Learn more about Dulcolax (Bisacodyl)