glycerin (Fleet Suppository, Pedia-Lax Suppository, Colace Suppository)

Pharmacy Author:
Medical and Pharmacy Editor:

GENERIC NAME: glycerin

BRAND NAME: Fleet Suppository, Pedia-Lax Suppository, Colace Suppository

DRUG CLASS AND MECHANISM: 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.




  • 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.

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

PRESCRIBED FOR: Glycerin suppositories are used for occasional relief of constipation.


  • 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.
Medically Reviewed by a Doctor on 10/2/2014

Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

Pill Finder Tool

Need help identifying pills and medications?
Use the pill identifier tool on RxList.

Back to Medications Index

Health Solutions From Our Sponsors