Polyethylene Glycol 3350 (PEG) for Cat
Cat · Felis catus · typical adult weight 2.50–7.00 kg
Polyethylene Glycol 3350 (PEG) is used in cat for Constipation/Megacolon. Routes documented in cat: PO. A typical adult cat weighs 2.50–7.00 kg. ExoticRx lists 1 cited dose rule for Polyethylene Glycol 3350 (PEG) in cat, drawn from published veterinary references. Verify against current literature before clinical use.
Trade names: MiraLAX, GoLYTELY
Dose ranges
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| PO | 10–25 mg/kg | q12-24h | Long-term; titrate to effect; may combine with cisapride | Constipation/Megacolon | Moderate | Plumb's Veterinary Drug Handbook, 9th Ed; JFMS Constipation Review |
Need the exact dose for your patient?
These ranges are per kg. Enter your cat's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Mechanism of action
High molecular weight polymer that is osmotically active but not absorbed, retaining water in the intestinal lumen and softening stool.
Side effects & warnings
Safe for chronic constipation. May cause bloating and flatulence initially. Ensure adequate hydration. Well tolerated in cats and dogs.
Species-specific contraindications and adverse-reaction reports for cat may differ from canine / feline reference data — consult the primary citations listed with each rule.
Other Miscellaneous drugs with cat dosing
Polyethylene Glycol 3350 (PEG) dosing in other species
Why a species-specific page? Polyethylene Glycol 3350 (PEG) pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in cat — the rules above are the citations specific to this species, not generic recommendations.
Sourced from published veterinary references; awaiting credentialed clinical reviewer. See our editorial process. Reference only — not veterinary advice.