Overview of Fleet Baby-Lax
This foundational section establishes the identity, composition, and high-level purpose of the medicine, excluding all information regarding specific usage, safety, or administration details.
| Property | Description |
|---|---|
| Active ingredient | Glycerol (Glycerin) |
| Form | Liquid suppository (applicator-tipped) |
| Pharmacological class | Hyperosmotic laxative (Osmotic cathartic) |
| Common use | Relief of occasional constipation |
| Origin | Derived from naturally occurring compounds |
What is Fleet Baby-Lax and Its Primary Pharmacological Class?
Fleet Baby-Lax is a pediatric liquid suppository preparation specifically engineered for localized action to provide relief for occasional constipation in infants and young children. The preparation is classified as an over-the-counter (OTC) hyperosmotic laxative, functioning as an osmotic cathartic. This pharmacological designation means the product works by utilizing the principle of osmosis rather than stimulating intestinal nerves. The brand is distinguished by its target patient group, focusing exclusively on the pediatric population and providing a dedicated formulation for this sensitive audience.
Glycerol: The Active Ingredient and Its Dosage Form
The preparation contains Glycerol (the official INN, also known as Glycerin) as its sole active ingredient, confirming it as a single-ingredient product. Glycerol is a substance derived from naturally occurring compounds, recognized for its safety profile in short-term use. The product is uniquely packaged as a liquid suppository housed in an applicator-tipped delivery system designed for rectal administration. This specialized pediatric formulation is a key differentiator from adult-sized enemas or solid suppositories, allowing for immediate distribution of the active substance upon administration.
The Mechanism: Why Local Action Matters
The medicine works through a dual mechanism that relies entirely on a local effect within the rectum, which is crucial as it ensures minimal systemic absorption into the bloodstream. This dual mechanism involves the Glycerol acting first as a potent lubricant to soften the fecal mass and ease its passage. Concurrently, the hyperosmotic action attracts fluid from the surrounding tissues into the rectal lumen. This focused and rapid intervention addresses the hardness and resistance of impacted stool, offering effective relief without the need for systemic circulation or the lengthy processing required by oral laxatives.
Regulatory References

