Amphibian · Anaxyrus houstonensis · typical adult weight 0.03–0.09 kg
Morphine is dosed at 38–42 mg/kg s.c. not stated in the cited source in houston toads, per Ramsey I, ed. BSAVA Small Animal Formulary, 10th ed. Part B: Exotic Pets. Gloucester: British Small Animal Veterinary Association; 2023. p.224. — LOCATOR CONVENTION 2026-08-07: the bare 'p.224' in this citation is the PDF index of the held scan, not the printed page. The PRINTED page is p.210; verified by finding the drug named there. If you are holding the book, turn to p.210. — SOURCE EDITION: BSAVA Small Animal Formulary, Part B — Exotic Pets — ISBN 9781910443712, https://openlibrary.org/isbn/9781910443712. Morphine is used in houston toads for Analgesia. Routes documented in houston toads: s.c.. A typical adult houston toad weighs 0.03–0.09 kg. ExoticRx lists 1 cited dose rule for Morphine in houston toads, drawn from published veterinary references. Verify against current literature before clinical use.
| Route | Dose | Frequency | Indication | Evidence | Source |
|---|---|---|---|---|---|
| s.c. | 38–42 mg/kg | not stated in the cited source | Analgesia | Moderate | Ramsey I, ed. BSAVA Small Animal Formulary, 10th ed. Part B: Exotic Pets. Gloucester: British Small Animal Veterinary Association; 2023. p.224. — LOCATOR CONVENTION 2026-08-07: the bare 'p.224' in this citation is the PDF index of the held scan, not the printed page. The PRINTED page is p.210; verified by finding the drug named there. If you are holding the book, turn to p.210. — SOURCE EDITION: BSAVA Small Animal Formulary, Part B — Exotic Pets — ISBN 9781910443712, https://openlibrary.org/isbn/9781910443712 |
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 |
|---|---|---|---|
| 38–42 | SC | BSAVA Small Animal Formulary, 10th ed — Part B (Exotic Pets)p.224 | 38-42 mg/kg s.c. d May be used at 5 mg/100 ml combined with alfaxalone for immersion anaesthesia |
| 0.5–4 | — | Mader's Reptile and Amphibian Medicine and Surgery, 3rd edTable 127.6 | 0.5-4 mg/kg ICe309 Crocodilians/analgesia |
| 38–42 | — | Mader's Reptile and Amphibian Medicine and Surgery, 3rd edTable 128.4 | 38-42 mg/kg SC27 Analgesia >4 hr |
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.
Need the exact dose for your patient?
These ranges are per kg. Enter your houston toad's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Prototype full mu-opioid receptor agonist. Activates mu, kappa, and delta opioid receptors producing analgesia, sedation, and euphoria.
Histamine release with rapid IV injection (hypotension, bronchoconstriction — give slowly). Vomiting and defecation common initial effects. Respiratory depression. Cats: may cause excitation/dysphoria at higher doses. Controlled substance (Schedule II).
Species-specific contraindications and adverse-reaction reports for houston toads may differ from canine / feline reference data — consult the primary citations listed with each rule.
Morphine dose range in houston toads, with cited source references: s.c. 38–42 mg/kg not stated in the cited source. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Morphine in houston toads: s.c..
Morphine is indicated in houston toads for: Analgesia.
These are general warnings for Morphine across species; consult the houston toad dosing table above for species-specific guidance. Histamine release with rapid IV injection (hypotension, bronchoconstriction — give slowly). Vomiting and defecation common initial effects. Respiratory depression. Cats: may cause excitation/dysphoria at higher doses. Controlled substance (Schedule II).
Why a species-specific page? Morphine pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in houston toads — 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.