Glycerin
OSMOGLYN
“Glistenin’ gummy”
decreases serum lithium
What it isOsmotic agent; constipation as a suppository, and oral use for raised intraocular or intracranial pressure.
Why this oneRectal suppository acts within minutes, which suits impaction in the elderly and in children.
What limits itRectal irritation. Oral use causes hyperglycemia and osmotic diuresis.
Glycerin prescription history
Animated chart of estimated U.S. prescriptions per year, Constipation meds (1900–2026). Glycerin enters in 1900 (estimated).
FDA-approved for
- acute reduction of intraocular pressure
- constipation (rectal)
NO BOXED WARNINGS
Principal riskRectal irritation
Classes and tags
Available strengths
- supp 1, 2 g (1 g pediatric · 2 g adult)
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Self-check
- How quickly can a glycerin suppository act?
Within minutes. - Which glucose disturbance can oral glycerin cause?
Hyperglycemia.