Reptile · Python regius · typical adult weight 1.00–2.00 kg
Vitamin A is dosed at 2000 IU/kg IM q7-14d x 2-4 treatments in ball pythons, per Carpenter's Exotic Animal Formulary, 6th ed, Table 4.9, p.267 — superscript 63 = Carpenter JW, Klaphake E, Gibbons PM, et al. Reptile formulary. In: Divers SJ, Stahl SJ, eds. Mader's Reptile and Amphibian Medicine and Surgery, 3rd ed., Elsevier, St. Louis, MO; 2019:1191-1211. Corroborated by BSAVA Small Animal Formulary 10th ed Part B, Vitamin A, p.313: 'Reptiles: 1000-2000 IU/kg p.o. q7-14d.'. Vitamin A is used in ball pythons for Hypovitaminosis A, respiratory infections adjunct, Dietary supplementation for captive snakes. Routes documented in ball pythons: IM, PO. A typical adult ball python weighs 1.00–2.00 kg. ExoticRx lists 2 cited dose rules for Vitamin A in ball pythons, drawn from published veterinary references. Verify against current literature before clinical use.
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| IM | 2000 IU/kg | q7-14d x 2-4 treatments | 2-3 treatments | Hypovitaminosis A, respiratory infections adjunct | Extrapolated | Carpenter's Exotic Animal Formulary, 6th ed, Table 4.9, p.267 — superscript 63 = Carpenter JW, Klaphake E, Gibbons PM, et al. Reptile formulary. In: Divers SJ, Stahl SJ, eds. Mader's Reptile and Amphibian Medicine and Surgery, 3rd ed., Elsevier, St. Louis, MO; 2019:1191-1211. Corroborated by BSAVA Small Animal Formulary 10th ed Part B, Vitamin A, p.313: 'Reptiles: 1000-2000 IU/kg p.o. q7-14d.' |
| PO | 1000 IU/kg monthly | monthly | Ongoing if fed rodent-only diet | Dietary supplementation for captive snakes | Anecdotal | Carpenter's Exotic Animal Formulary, 6th Ed |
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These ranges are per kg. Enter your ball python's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Essential fat-soluble vitamin required for vision, epithelial integrity, immune function, and reproduction. Deficiency common in captive reptiles and turtles on inadequate diets.
NARROW therapeutic index — hypervitaminosis A causes hepatotoxicity and skin sloughing. Do not overdose. Particularly important in chelonians and box turtles. Toxicity signs include skin peeling.
Species-specific contraindications and adverse-reaction reports for ball pythons may differ from canine / feline reference data — consult the primary citations listed with each rule.
Vitamin A dose ranges in ball pythons, with cited source references: IM 2000 IU/kg q7-14d x 2-4 treatments; PO 1000 IU/kg monthly monthly. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Vitamin A in ball pythons: IM, PO.
Cited course lengths for Vitamin A in ball pythons include: 2-3 treatments; Ongoing if fed rodent-only diet. Duration depends on the indication — match it to the specific dose rule in the table above.
Vitamin A is indicated in ball pythons for: Hypovitaminosis A, respiratory infections adjunct, Dietary supplementation for captive snakes.
These are general warnings for Vitamin A across species; consult the ball python dosing table above for species-specific guidance. NARROW therapeutic index — hypervitaminosis A causes hepatotoxicity and skin sloughing. Do not overdose. Particularly important in chelonians and box turtles. Toxicity signs include skin peeling.
Why a species-specific page? Vitamin A pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in ball pythons — 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.