glycerin (Fleet, Pedia-Lax, Colace)

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What is glycerin suppository? What is glycerin used for?

Glycerin suppositories are hyperosmotic laxatives. Glycerin suppositories work by increasing water volume in intestines and softening stool, causing the intestines to contract and produce bowel movements.

What brand names are available for glycerin suppository?

Fleet Suppository, Pedia-Lax Suppository, Colace Suppository

Is glycerin suppository available as a generic drug?


Do I need a prescription for glycerin suppository?


What are the side effects of glycerin suppository?

Side effects of glycerin rectal suppositories are rectal discomfort, burning sensation, diarrhea and nausea.

What is the dosage for glycerin suppository?

  • Adults and children of age 6 and older: Insert one 2 g suppository rectally and retain for about 15 minutes or as directed by a doctor.
  • Children of age 2 to under 6: Insert one 1 g suppository rectally, or as directed by doctor.
  • Safe and effective use of glycerin rectal suppositories is not established for children under 2 years of age.

Which drugs or supplements interact with glycerin suppository?

No drug interactions have been established with glycerin rectal suppositories.


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Is glycerin suppository safe to take if I'm pregnant or breastfeeding?

There are no adequate studies done on glycerin rectal suppositories to determine safe and effective use in pregnant women.

It is not known whether glycerin enters breast milk. It is most likely compatible with breastfeeding.

What else should I know about glycerin suppository?

What preparations of glycerin suppository are available?

  • Adult glycerin rectal suppositories are available in 2 gram strengths in packages of 12 suppositories.
  • Pediatric glycerin rectal suppositories are available in 1 gram strengths in packages of 12 suppositories.

How should I keep glycerin suppository stored?

Store glycerin suppositories between temperatures 15 C and 30 C (59 F and 86 F).


Glycerin (Fleet Suppository, Pedia-Lax Suppository, Colace Suppository) is an over-the-counter product used to relieve occasional constipation. Side effects, drug interactions, dosage, and storage should be reviewed prior to using this medication.

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NIH. ADULT GLYCERIN LAXATIVE - glycerin syppository.