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Lactulose for Rabbit

Pocket Pet · Oryctolagus cuniculus · typical adult weight 1.00–5.00 kg

Lactulose is used in rabbit for Hepatic lipidosis support. Routes documented in rabbit: PO. A typical adult rabbit weighs 1.00–5.00 kg. ExoticRx lists 1 cited dose rule for Lactulose in rabbit, drawn from published veterinary references. Verify against current literature before clinical use.

Trade names: Kristalose, Cephulac

Dose ranges

RouteDoseFrequencyDurationIndicationEvidenceSource
PO0.5 ml/kgq8hAs neededHepatic lipidosis supportExtrapolatedCarpenter's Exotic Animal Formulary, 6th Ed

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These ranges are per kg. Enter your rabbit's weight to get the precise dose and draw-up volume — unit and concentration math done for you.

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Mechanism of action

Synthetic disaccharide broken down by colonic bacteria to lactic, acetic, and formic acids. Osmotic effect draws water into colon. Acidifies colonic contents, converting ammonia to non-absorbable ammonium.

Side effects & warnings

Dose to effect (soft stool). Excessive doses cause diarrhea, flatulence, cramping. Monitor electrolytes with chronic use. Essential in hepatic encephalopathy management.

Species-specific contraindications and adverse-reaction reports for rabbit may differ from canine / feline reference data — consult the primary citations listed with each rule.

Other Gastrointestinal drugs with rabbit dosing

Lactulose dosing in other species

Why a species-specific page? Lactulose pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in rabbit — 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.