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Polyethylene Glycol 3350

MiraLAX, GlycoLax

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Sourced from primary literature. Awaiting credentialed clinical reviewer — our editorial process.

Drug Class

Gastrointestinal

Routes

PO

Indications

Constipationmegacolon adjunct

Mechanism of Action

Osmotically active polymer that retains water in the colonic lumen, increasing stool volume and stimulating peristalsis.

Side effects & warnings

Generally well tolerated. Ensure adequate hydration. May cause bloating or flatulence. Onset typically 1-3 days.

Species with Polyethylene Glycol 3350 dosing data (2 dose rules)

Cat (Domestic)Dog (Domestic)

Evidence levels across 2 dose rules

Moderate×2

Each ExoticRx dose rule is graded by the strength of its primary evidence — see the editorial process.

Backed by a published primary source

  • · Plumb's Veterinary Drug Handbook, 9th Ed

Sample dosing (2 of 2 cited rules)

Free-tier preview — dog and cat dosing. Pro and Student unlock all 2 species including reptiles, birds, pocket pets, livestock, and equine.

SpeciesRouteDoseFrequencyEvidenceSource
Dog (Domestic)PO5–10 ml/kg of solutionq12-24hModeratePlumb's Veterinary Drug Handbook, 9th Ed
Cat (Domestic)PO5–10 ml/kg of solutionq12-24hModeratePlumb's Veterinary Drug Handbook, 9th Ed

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Calculate Dosage for Polyethylene Glycol 3350