Pocket Pet · Cavia porcellus · typical adult weight 0.70–1.20 kg
Famotidine is dosed at 0.4–0.5 mg/kg PO q24h in guinea pigs, per Carpenter's Exotic Animal Formulary, 6th ed., Table 9.7 Miscellaneous Agents Used in Rodents, p.800. Corroborated by BSAVA Part B p.127 ('Guinea pigs: 0.4 mg/kg p.o., s.c. q24h') and FRR 4th ed. Appendix Table A.5 p.629 (Guinea Pigs/Chinchillas: 0.4-0.5 mg/kg PO, SC q24h). Famotidine is used in guinea pigs for Gastric acid reduction. Routes documented in guinea pigs: PO. A typical adult guinea pig weighs 0.70–1.20 kg. ExoticRx lists 1 cited dose rule for Famotidine in guinea pigs, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Pepcid
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| PO | 0.4–0.5 mg/kg | q24h | As needed | Gastric acid reduction | Extrapolated | Carpenter's Exotic Animal Formulary, 6th ed., Table 9.7 Miscellaneous Agents Used in Rodents, p.800. Corroborated by BSAVA Part B p.127 ('Guinea pigs: 0.4 mg/kg p.o., s.c. q24h') and FRR 4th ed. Appendix Table A.5 p.629 (Guinea Pigs/Chinchillas: 0.4-0.5 mg/kg PO, SC q24h) |
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These ranges are per kg. Enter your guinea pig's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Competitively blocks histamine H2 receptors on parietal cells, reducing basal and stimulated gastric acid secretion.
Generally well-tolerated. Adjust dose in renal impairment. Less effective than proton pump inhibitors at acid suppression.
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.
Famotidine dose range in guinea pigs, with cited source references: PO 0.4–0.5 mg/kg q24h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Famotidine in guinea pigs: PO.
Cited course lengths for Famotidine in guinea pigs include: As needed. Duration depends on the indication — match it to the specific dose rule in the table above.
Famotidine is indicated in guinea pigs for: Gastric acid reduction.
These are general warnings for Famotidine across species; consult the guinea pig dosing table above for species-specific guidance. Generally well-tolerated. Adjust dose in renal impairment. Less effective than proton pump inhibitors at acid suppression.
Why a species-specific page? Famotidine 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.