Reptile · Eublepharis macularius · typical adult weight 0.04–0.10 kg
Hydromorphone is dosed at 0.5 mg/kg SC once, the following day (post-operative) in leopard geckos, per Verified against Carpenter's Exotic Animal Formulary, 6th Ed, p.257 (2026-08-01). — Carpenter's Exotic Animal Formulary 6th ed, Table 4.7 (Preferred Injectable Sedation Protocols Used in Select Reptiles.301,400,430). The copy held is an ebook conversion with no printed page numbers, so the table — not the page — is the citable location. — SOURCE EDITION: Carpenter's Exotic Animal Formulary — ISBN 9780323833929, https://openlibrary.org/isbn/9780323833929. Hydromorphone is used in leopard geckos for Post-operative analgesia, Analgesia prior to right unilateral orchidectomy and epididymectomy, Post-operative analgesia after orchidectomy and epididymectomy. Routes documented in leopard geckos: SC. A typical adult leopard gecko weighs 0.04–0.10 kg. ExoticRx lists 3 cited dose rules for Hydromorphone in leopard geckos, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Dilaudid
| Route | Dose | Frequency | Indication | Evidence | Source |
|---|---|---|---|---|---|
| SC | 0.5 mg/kg | once, the following day (post-operative) | Post-operative analgesia | Weak | Verified against Carpenter's Exotic Animal Formulary, 6th Ed, p.257 (2026-08-01). — Carpenter's Exotic Animal Formulary 6th ed, Table 4.7 (Preferred Injectable Sedation Protocols Used in Select Reptiles.301,400,430). The copy held is an ebook conversion with no printed page numbers, so the table — not the page — is the citable location. — SOURCE EDITION: Carpenter's Exotic Animal Formulary — ISBN 9780323833929, https://openlibrary.org/isbn/9780323833929 |
| SC | 0.5 mg/kg | single dose prior to surgery (given in the same su | Analgesia prior to right unilateral orchidectomy and epididymectomy | Weak | Verified against Carpenter's Exotic Animal Formulary, 6th Ed, p.257 (2026-08-01). — Carpenter's Exotic Animal Formulary 6th ed, Table 4.7 (Preferred Injectable Sedation Protocols Used in Select Reptiles.301,400,430). The copy held is an ebook conversion with no printed page numbers, so the table — not the page — is the citable location. — SOURCE EDITION: Carpenter's Exotic Animal Formulary — ISBN 9780323833929, https://openlibrary.org/isbn/9780323833929 |
| SC | 0.5 mg/kg | one additional dose the following day (post-operat | Post-operative analgesia after orchidectomy and epididymectomy | Weak | Mason AK, Lee J, Perry SM, Boykin KL, Del Piero F, Lierz M, Mitchell MA. Determining the Effects of Serial Injections of Pregnant Mare Serum Gonadotropin on Plasma Testosterone Concentrations, Testicular Dynamics, and Semen Production in Leopard Geckos (Eublepharis macularius). Animals (Basel). 2021;11(9):2477. doi:10.3390/ani11092477 (PMID 34573443, PMC8470321). Open-access full text read. n=24 adult male E. macularius, peri-operative protocol: hydromorphone 0.5 mg/kg SC pre-operatively WITH dexmedetomidine 0.025 mg/kg and meloxicam 0.3 mg/kg, plus one further hydromorphone 0.5 mg/kg SC the following day. NO analgesic efficacy endpoint was measured. NOT supported by carpenter Table 4.7, whose only gecko-relevant hydromorphone entry is a three-drug sedation combination, nor by carpenter Table 4.6, whose reptile hydromorphone rows are scoped to red-eared sliders and bearded dragons. |
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These ranges are per kg. Enter your leopard gecko's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Semi-synthetic opioid agonist at mu-opioid receptors, producing potent analgesia, sedation, and euphoria. Approximately 5-7x more potent than morphine.
Respiratory depression, bradycardia, hypothermia. May cause panting and hyperthermia in cats. Vomiting common after initial dose in dogs. Schedule II controlled substance. Naloxone is the reversal agent.
Species-specific contraindications and adverse-reaction reports for leopard geckos may differ from canine / feline reference data — consult the primary citations listed with each rule.
Hydromorphone dose ranges in leopard geckos, with cited source references: SC 0.5 mg/kg once, the following day (post-operative); SC 0.5 mg/kg single dose prior to surgery (given in the same su; SC 0.5 mg/kg one additional dose the following day (post-operat. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Hydromorphone in leopard geckos: SC.
Hydromorphone is indicated in leopard geckos for: Post-operative analgesia, Analgesia prior to right unilateral orchidectomy and epididymectomy, Post-operative analgesia after orchidectomy and epididymectomy.
These are general warnings for Hydromorphone across species; consult the leopard gecko dosing table above for species-specific guidance. Respiratory depression, bradycardia, hypothermia. May cause panting and hyperthermia in cats. Vomiting common after initial dose in dogs. Schedule II controlled substance. Naloxone is the reversal agent.
Why a species-specific page? Hydromorphone pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in leopard geckos — 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.