Compare Dulcolax vs. Magnesium Citrate

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

Dulcolax (Bisacodyl)

Over-the-counter
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.

5.1/ 7 average rating with 160 reviewsforDulcolax
Treats constipation.

Citrate Of Magnesia (Magnesium Citrate) works well if you need to really get things moving, but it's not a good medicine to manage chronic constipation.

Upsides
  • 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.
  • Really strong laxative that gets things moving fast.
  • Can also be used to prep your bowel before you go for surgery or colonoscopy. Your doctor will give you specific instructions if you use it this way.
Downsides
  • 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.
  • It doesn't work for everyone and some people feel it's a hassle.
  • Some brands are of Magnesium Citrate are tinted red and can change the color of your stool.
  • Can cause dizziness, weakness, diarrhea, and the feeling that you "have to go right now".
  • Magnesium Citrate contains magnesium which prevents certain medicines from working properly. Make sure you take your dose of Magnesium Citrate at least 2 hours before or after other medicines.
  • You can't take it for more than a week or so.
Used for
Dosage forms
  • Pill
  • Suppository
  • Liquid
No pricing information available
No pricing information available
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Reviews
160 
65%
think this treatment is worth it
49%
think this treatment works well
16%
think this treatment is a hassle

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Side effects
The Dulcolax (Bisacodyl) FDA package insert doesn’t have numbers about how common side effects are.
The Citrate Of Magnesia (Magnesium Citrate) FDA package insert doesn’t have numbers about how common side effects are.
Risks and warnings
  • Bowel blockage

    Age 60 or older

    ...and 3 more risk factors

  • Laxative dependence

    Age 60 or greater

    ...and 2 more risk factors

  • Risk to fetus

    Women of childbearing age

See more detailed risks and warnings
  • Bowel blockage

    Age 60 or older

    ...and 3 more risk factors

  • Electrolyte imbalance

    Taking with medications that cause electrolyte imbalance

    ...and 1 more risk factors

  • Risk to fetus

    Women of childbearing age

  • Worsening of neuromuscular conditions

    Taking Citrate Of Magnesia (Magnesium Citrate) if you have kidney disease and neuromuscular disease

    ...and 1 more risk factors

  • High magnesium levels

    Kidney disease

    ...and 1 more risk factors

See more detailed risks and warnings