Fish · Cyprinus carpio · typical adult weight 0.25–20.00 kg
Atipamezole is dosed at 0.2 mg/kg i.m. not stated in the cited source in kois, per Ramsey I, ed. BSAVA Small Animal Formulary, 10th ed. Part B: Exotic Pets. Gloucester: British Small Animal Veterinary Association; 2023. p.41. — LOCATOR CONVENTION 2026-08-07: the bare 'p.41' in this citation is the PDF index of the held scan, not the printed page. The PRINTED page is p.27; verified by finding the drug named there. If you are holding the book, turn to p.27. — SOURCE EDITION: BSAVA Small Animal Formulary, Part B — Exotic Pets — ISBN 9781910443712, https://openlibrary.org/isbn/9781910443712. Atipamezole (Antidote) has cited veterinary dosing for kois. Routes documented in kois: i.m.. A typical adult koi weighs 0.25–20.00 kg. ExoticRx lists 1 cited dose rule for Atipamezole in kois, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Antisedan
| Route | Dose | Frequency | Indication | Evidence | Source |
|---|---|---|---|---|---|
| i.m. | 0.2 mg/kg | not stated in the cited source | — | Moderate |
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 |
|---|---|---|---|
| 0.2 | IM | BSAVA Small Animal Formulary, 10th ed — Part B (Exotic Pets)p.41 | 0.2 mg/kg i.m. |
| 0.2 | IM | Carpenter's Exotic Animal Formulary, 6th edTable 2.3 | 0.2 mg/kg IM IM dose dependent on previous dexmedetomidine injection (equal volume or 10x mg dose)62 |
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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These ranges are per kg. Enter your koi's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Selective alpha-2 adrenergic antagonist. Specifically reverses sedation, bradycardia, and other effects of medetomidine/dexmedetomidine.
IM route only (IV can cause cardiovascular excitation). Give equal volume to medetomidine or 5x volume of dexmedetomidine. Reversal within 5-10 minutes. May unmask pain.
Species-specific contraindications and adverse-reaction reports for kois may differ from canine / feline reference data — consult the primary citations listed with each rule.
Atipamezole dose range in kois, with cited source references: i.m. 0.2 mg/kg not stated in the cited source. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Atipamezole in kois: i.m..
These are general warnings for Atipamezole across species; consult the koi dosing table above for species-specific guidance. IM route only (IV can cause cardiovascular excitation). Give equal volume to medetomidine or 5x volume of dexmedetomidine. Reversal within 5-10 minutes. May unmask pain.
Why a species-specific page? Atipamezole pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in kois — 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.