What is bisacodyl-rectal suppository, and how does it work (mechanism of action)?

Bisacodyl is a stimulant laxative. It stimulates the muscles in the wall of the small intestine and colon to generate a bowel movement. It also alters water and electrolyte levels in intestines, increasing the level of fluids which also produce a laxative-like effect.

What brand names are available for bisacodyl-rectal suppository?

Dulcolax, Biscolax, Bisac-Evac, Fleet Bisacodyl Enema, Fleet Stimulant Laxative

Is bisacodyl-rectal suppository available as a generic drug?


Do I need a prescription for bisacodyl-rectal suppository?


What are the side effects of bisacodyl-rectal suppository?

Side effects of bisacodyl are:

What is the dosage for bisacodyl-rectal suppository?

Rectal suppository

  • Adults and children 12 years of age and older: Unwrap and insert 1 suppository into rectum daily as a single dose. Retain for 15 to 20 minutes.
  • Children of ages 6 to under 12 years: Unwrap and insert ½ suppository into rectum daily as a single dose.
  • Children under 2 years of age: Ask a doctor.



  • Adults and children 12 years of age and older: Use 1 bottle (1.25 oz) as a single dose.
  • Children under 12 years of age: Ask a doctor.


You are constipated if you don’t have a bowel movement every day. See Answer

Which drugs or supplements interact with bisacodyl-rectal suppository?

No significant drug interactions.

Is bisacodyl-rectal suppository safe to take if I’m pregnant or breastfeeding?

There are no adequate studies done to determine safe and effective use of bisacodyl in pregnant women.

It is unknown whether bisacodyl is excreted in breast milk; therefore it must be used with caution in nursing mothers.

What else should I know about bisacodyl-rectal suppository?

What preparations of bisacodyl-rectal suppository are available?

Bisacodyl is available 10 mg rectal suppository and an enema containing 10 mg of bisacodyl per 30 ml of enema.

How should I keep bisacodyl-rectal suppository stored?

Bisacodyl suppositories and enemas require storage below 30 C (86 F).

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Medically Reviewed on 7/9/2019



FDA Prescribing Information.