Fish · Carassius auratus · typical adult weight 0.01–3.00 kg
Gentamicin is dosed at 2.5–3 mg/kg i.m. q2-3d in goldfishes, per Ramsey I, ed. BSAVA Small Animal Formulary, 10th ed. Part B: Exotic Pets. Gloucester: British Small Animal Veterinary Association; 2023. p.162. — LOCATOR CONVENTION 2026-08-07: the bare 'p.162' in this citation is the PDF index of the held scan, not the printed page. The PRINTED page is p.148; verified by finding the drug named there. If you are holding the book, turn to p.148. — SOURCE EDITION: BSAVA Small Animal Formulary, Part B — Exotic Pets — ISBN 9781910443712, https://openlibrary.org/isbn/9781910443712. Gentamicin (Antibiotic) has cited veterinary dosing for goldfishes. Routes documented in goldfishes: i.m.. A typical adult goldfish weighs 0.01–3.00 kg. ExoticRx lists 1 cited dose rule for Gentamicin in goldfishes, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Gentocin
| Route | Dose | Frequency | Indication | Evidence | Source |
|---|---|---|---|---|---|
| i.m. | 2.5–3 mg/kg | q2-3d | — | Moderate |
Every held source for this drug and species, as printed. Where they differ, both are shown — the choice is yours, not ours.
The sources disagree for this combination. The ranges below do not overlap on a comparable route. This is not an error in one of them — published veterinary references differ, and reconciling them for a particular patient is a clinical judgement.
| Dose (mg/kg) | Route | Source | As printed |
|---|---|---|---|
| 2.5–3 | IM | BSAVA Small Animal Formulary, 10th ed — Part B (Exotic Pets)p.162 | 2.5-3 mg/kg i.m. q2-3d. - Exotic Pets 149 |
| 2 | IM | Carpenter's Exotic Animal Formulary, 6th edTable 2.1 | 2 mg/kg IM, then 1 mg/kg IM at 8 and 72 hr |
| 1 | IM | Carpenter's Exotic Animal Formulary, 6th edTable 2.1 | 2 mg/kg IM, then 1 mg/kg IM at 8 and 72 hr |
| 2.5 | IM |
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These ranges are per kg. Enter your goldfish's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Irreversibly binds 30S ribosomal subunit, inhibiting bacterial protein synthesis. Concentration-dependent killing with post-antibiotic effect.
Highly nephrotoxic. Monitor renal values. Maintain hydration. Ototoxic. Avoid in dehydrated patients. Neuromuscular blockade risk. Extended-interval dosing preferred.
Species-specific contraindications and adverse-reaction reports for goldfishes may differ from canine / feline reference data — consult the primary citations listed with each rule.
Gentamicin dose range in goldfishes, with cited source references: i.m. 2.5–3 mg/kg q2-3d. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Gentamicin in goldfishes: i.m..
These are general warnings for Gentamicin across species; consult the goldfish dosing table above for species-specific guidance. Highly nephrotoxic. Monitor renal values. Maintain hydration. Ototoxic. Avoid in dehydrated patients. Neuromuscular blockade risk. Extended-interval dosing preferred.
Why a species-specific page? Gentamicin pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in goldfishes — 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.
| Carpenter's Exotic Animal Formulary, 6th edTable 2.1 |
| 2.5 mg/kg IM q72h |
| 3.5 | IM | Carpenter's Exotic Animal Formulary, 6th edTable 2.1 | 3.5 mg/kg IM q24h |
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.