Cat · Felis catus · typical adult weight 2.50–7.00 kg
Ursodiol Suspension is dosed at 10–15 mg/kg PO q24h with food (or divided q12h) in cats, per Twedt DC, Armstrong PJ, Simpson KW. Chapter 150: Feline Cholangitis. In: Bonagura JD, Twedt DC, eds. Current Veterinary Therapy XV. Elsevier Saunders; 2014:614-621. — Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.1315 (2026-08-01). — Plumb's 10th ed (held) printed p.1288, Ursodiol monograph spanning p.1287-1288; page located 2026-08-05 from the book's own running heads, and carries this exact dose under the matching species heading. — SOURCE EDITION: Plumb's Veterinary Drug Handbook — ISBN 9781394172207, https://openlibrary.org/isbn/9781394172207. Ursodiol Suspension is used in cats for Adjunctive treatment of NONOBSTRUCTIVE acute and chronic cholestatic disorders (incl. lymphocytic cholangitis). Routes documented in cats: PO. A typical adult cat weighs 2.50–7.00 kg. ExoticRx lists 1 cited dose rule for Ursodiol Suspension in cats, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Ursofalk Suspension
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| PO | 10–15 mg/kg | q24h with food (or divided q12h) | Long-term; 3-6 months | Adjunctive treatment of NONOBSTRUCTIVE acute and chronic cholestatic disorders (incl. lymphocytic cholangitis) |
| Moderate |
| Twedt DC, Armstrong PJ, Simpson KW. Chapter 150: Feline Cholangitis. In: Bonagura JD, Twedt DC, eds. Current Veterinary Therapy XV. Elsevier Saunders; 2014:614-621. — Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.1315 (2026-08-01). — Plumb's 10th ed (held) printed p.1288, Ursodiol monograph spanning p.1287-1288; page located 2026-08-05 from the book's own running heads, and carries this exact dose under the matching species heading. — SOURCE EDITION: Plumb's Veterinary Drug Handbook — ISBN 9781394172207, https://openlibrary.org/isbn/9781394172207 |
Every held source for this drug and species, as printed. Where they differ, both are shown — the choice is yours, not ours.
| Dose (mg/kg) | Route | Source | As printed |
|---|---|---|---|
| 10–15 | PO | Papich Saunders Handbook of Veterinary Drugs, 4th edp.858 | • 10-15 mg/kg q24h PO; animals with liver disease should receive 15 mg/kg. |
| 15 | PO | Papich Saunders Handbook of Veterinary Drugs, 4th edp.858 | • 10-15 mg/kg q24h PO; animals with liver disease should receive 15 mg/kg. |
Figures are transcribed from the cited page or table of each held edition and are shown for reference only. They are not dose recommendations, they do not feed the calculator, and none has been reviewed by a veterinarian.
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Hydrophilic bile acid that displaces hepatotoxic bile acids, provides cytoprotective and anti-inflammatory effects on hepatocytes and biliary epithelium.
Easier to dose small animals than capsule form. Contraindicated in complete biliary obstruction. Monitor liver enzymes.
Species-specific contraindications and adverse-reaction reports for cats may differ from canine / feline reference data — consult the primary citations listed with each rule.
Ursodiol Suspension dose range in cats, with cited source references: PO 10–15 mg/kg q24h with food (or divided q12h). Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Ursodiol Suspension in cats: PO.
Cited course lengths for Ursodiol Suspension in cats include: Long-term; 3-6 months. Duration depends on the indication — match it to the specific dose rule in the table above.
Ursodiol Suspension is indicated in cats for: Adjunctive treatment of NONOBSTRUCTIVE acute and chronic cholestatic disorders (incl. lymphocytic cholangitis).
These are general warnings for Ursodiol Suspension across species; consult the cat dosing table above for species-specific guidance. Easier to dose small animals than capsule form. Contraindicated in complete biliary obstruction. Monitor liver enzymes.
Why a species-specific page? Ursodiol Suspension pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in cats — 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.