Pocket Pet · Cavia porcellus · typical adult weight 0.70–1.20 kg
Lactulose is dosed at 0.5 ml/kg PO q12h in guinea pigs, per Meredith A. BSAVA Small Animal Formulary: Part B: Exotic Pets, British Small Animal Veterinary Association, Quedgeley, Gloucester, UK; 2015. — Source: Carpenter's Exotic Animal Formulary, 6th Ed, p.801 — Carpenter's Exotic Animal Formulary 6th ed, Table 9.7 (Miscellaneous Agents Used in Rodents). Lactulose is used in guinea pigs for Constipation; hepatic disorders. Routes documented in guinea pigs: PO. A typical adult guinea pig weighs 0.70–1.20 kg. ExoticRx lists 1 cited dose rule for Lactulose in guinea pigs, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Kristalose, Cephulac
| Route | Dose | Frequency | Indication | Evidence | Source |
|---|---|---|---|---|---|
| PO | 0.5 ml/kg | q12h | Constipation; hepatic disorders | Moderate | Meredith A. BSAVA Small Animal Formulary: Part B: Exotic Pets, British Small Animal Veterinary Association, Quedgeley, Gloucester, UK; 2015. — Source: Carpenter's Exotic Animal Formulary, 6th Ed, p.801 — Carpenter's Exotic Animal Formulary 6th ed, Table 9.7 (Miscellaneous Agents Used in Rodents).Compilation only — we have not located an independent source that prints this figure. |
Every held source for this drug and species, as printed. Where they differ, both are shown — the choice is yours, not ours.
| Dose (ml/kg) | Route | Source | As printed |
|---|---|---|---|
| 0.5 | PO | BSAVA Small Animal Formulary, 10th ed — Part B (Exotic Pets)p.176 | 0.5 ml/kg p.o. q12h. |
| 0.5 | PO | Carpenter's Exotic Animal Formulary, 6th edTable 9.7 | 0.5 mL/kg PO q12h |
| 2 | PO | Carpenter's Exotic Animal Formulary, 6th edTable 9.7 | 2 mL/kg PO prn,47 |
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.
Typical range: 0.7–1.2 kg
If provided, volume will be calculated alongside dose.
Reference only. Verify against current literature before clinical use.
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.
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 guinea pigs may differ from canine / feline reference data — consult the primary citations listed with each rule.
Lactulose dose range in guinea pigs, with cited source references: PO 0.5 ml/kg q12h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Lactulose in guinea pigs: PO.
Lactulose is indicated in guinea pigs for: Constipation; hepatic disorders.
These are general warnings for Lactulose across species; consult the guinea pig dosing table above for species-specific guidance. Dose to effect (soft stool). Excessive doses cause diarrhea, flatulence, cramping. Monitor electrolytes with chronic use. Essential in hepatic encephalopathy management.
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 guinea pigs — 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.