Drug class
Osmotic Laxative
15 drugs the FDA files under Osmotic Laxative, and that we can price. Drugs in one class are not interchangeable — they share a mechanism, not a dose or a set of side effects — but the price gap between them is often large, and it is a reasonable thing to raise with a prescriber.
- Lactulose · 8 strengths and formsOsmotic Laxative$18.99Cost Plus Drugs
- PolyethyleneOsmotic Laxative$16.32HealthWarehouse
- Polyethylene, potassium and sodium · 6 strengths and formsOsmotic Laxative$22.80Cost Plus Drugs
Cheapest option we hold for the usual fill, fees included, checked November 4, 2026. Open a medicine for every option and the date on each one.