Bisacodyl

19 interactions 58 cited references
Also sold as: Alophen Reformulated Jan 2008 Bisac-Evac Carter's Little Pills® Correct (New Formula) Correctol laxative Reformulated Feb 2008 Correctol® Dulcolax Dulcolax® Evac-U-Gen Reformulated Jan 2008 Ex-lax Ultra Feen-A-Mint Reformulated Jan 2008 Feen-A-Mint® Fleet® Bisacodyl Laxomil The Magic Bullet
About Bisacodyl

Bisacodyl is a stimulant laxative used to treat constipation and empty the bowels before surgery or medical procedures. Read the full Bisacodyl drug information page →

Dr. Brian Staiger, PharmD, BCPS
Medically reviewed by Dr. Brian Staiger, PharmD, BCPS · Updated Aug 9, 2026 · Editorial policy · Data sources

Sources: FDA prescribing information (Structured Product Labeling), the published literature cited in each entry, DDInter 2.0 (a major open-access drug-interaction database), and legacy DrugBank interaction data distributed by the NIH's RxNav service (decommissioned in 2024) — analyzed and reviewed by our pharmacist team. How we build this library →

Most serious with: Licorice Magnesium Sulfate Polyethylene Glycol 3350
3 Major 16 Minor
All (19) Major (3) Minor (16)

Major

Bisacodyl Licorice Increased risk of hypokalemia Details Bisacodyl Magnesium Sulfate May increase the risk of mucosal ulceration or ischemic colitis Details Bisacodyl Polyethylene Glycol 3350 ClearLax Increased risk of mucosal ulceration or ischemic colitis Details

Minor

Bisacodyl Aluminum Carbonate, Basic Decreased effectiveness of bisacodyl Details Bisacodyl Aluminum Oxide Decreased effectiveness of bisacodyl Details Bisacodyl Aluminum Phosphate Decreased effectiveness of bisacodyl Details Bisacodyl Calcium Decreased effectiveness of bisacodyl Details Bisacodyl Cimetidine Tagamet Decreased effectiveness of bisacodyl Details Bisacodyl Dihydroxyaluminum Aminoacetate Decreased effectiveness of bisacodyl Details Bisacodyl Dihydroxyaluminum Sodium Carbonate Decreased effectiveness of bisacodyl Details Bisacodyl Famotidine Calmicid Decreased effectiveness of bisacodyl Details Bisacodyl Magaldrate Decreased effectiveness of bisacodyl Details Bisacodyl Magnesium Carbonate Decreased effectiveness of bisacodyl Details Bisacodyl Magnesium Hydroxide Almacone® (containing Aluminum Hydroxide, Magnesium Hydroxide, Simethicone) Decreased effectiveness of bisacodyl Details Bisacodyl Magnesium Oxide Mag-Ox 400 Decreased effectiveness of bisacodyl Details Bisacodyl Magnesium Trisilicate Decreased effectiveness of bisacodyl Details Bisacodyl Nizatidine Axid® Decreased effectiveness of bisacodyl Details Bisacodyl Ranitidine Decreased effectiveness of bisacodyl Details Bisacodyl Famotidine Injection Calmicid Decreased effectiveness of bisacodyl Details

Check another drug

Still have questions about this combination?

Every question gets a real answer from a licensed pharmacist — free, and usually within a day.

Ask the pharmacist
Educational information only, not medical advice. Always confirm interactions with your pharmacist or prescriber before making any change to your medications.