Reptile · Iguana iguana · typical adult weight 1.00–5.00 kg
Vitamin D is dosed at 400 U/kg IM q7d x 3 treatments in green iguanas, per Mader DR. Metabolic bone diseases. In: Mader DR, eds. Reptile Medicine and Surgery, 2nd ed., Saunders/Elsevier, St. Louis, MO; 2006:841-851. — Source: Carpenter's Exotic Animal Formulary, 6th Ed, p.268 — Carpenter's Exotic Animal Formulary 6th ed, Table 4.9 (Nutritional/Mineral/Fluid Support Used in Reptiles.a). 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; Mader's Reptile and Amphibian Medicine and Surgery (Divers & Stahl) — ISBN 9780323482530, https://openlibrary.org/isbn/9780323482530. Vitamin D is used in green iguanas for Nutritional secondary hyperparathyroidism. Routes documented in green iguanas: IM. A typical adult green iguana weighs 1.00–5.00 kg. ExoticRx lists 1 cited dose rule for Vitamin D in green iguanas, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Calcitriol, Cholecalciferol
| Route | Dose | Frequency | Indication | Evidence | Source |
|---|---|---|---|---|---|
| IM | 400 U/kg | q7d x 3 treatments | Nutritional secondary hyperparathyroidism | Weak | Mader DR. Metabolic bone diseases. In: Mader DR, eds. Reptile Medicine and Surgery, 2nd ed., Saunders/Elsevier, St. Louis, MO; 2006:841-851. — Source: Carpenter's Exotic Animal Formulary, 6th Ed, p.268 — Carpenter's Exotic Animal Formulary 6th ed, Table 4.9 (Nutritional/Mineral/Fluid Support Used in Reptiles.a). 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; Mader's Reptile and Amphibian Medicine and Surgery (Divers & Stahl) — ISBN 9780323482530, https://openlibrary.org/isbn/9780323482530 |
Every held source for this drug and species, as printed. Where they differ, both are shown — the choice is yours, not ours.
| Dose (%) | Route | Source | As printed |
|---|---|---|---|
| 2.3 | PO | Mader's Reptile and Amphibian Medicine and Surgery, 3rd edTable 128.6 | 2-3 U/mL continuous bath (with 2.3% calcium gluconate)52 100-400 U/kg PO q24h52 Nutritional secondary hyperparathyroidism |
| Dose (iu/kg) | Route | Source | As printed |
|---|---|---|---|
| 200–1000 | PO | BSAVA Small Animal Formulary, 10th ed — Part B (Exotic Pets)p.318 | 200-1000 IU/kg p.o., i.m. q7d. Oral administration may be safer than i.m. |
| 1000 | PO | Mader's Reptile and Amphibian Medicine and Surgery, 3rd edTable 127.8 | 1000 U/kg IM, repeat in 1 wk37 Most species/deficiency; use with oral calcium glubionate and carbonate, general dietary management, and UVB irradiation |
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These ranges are per kg. Enter your green iguana's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Active form (calcitriol) binds VDR promoting intestinal calcium and phosphorus absorption, bone mineralization, and parathyroid hormone regulation.
Calcitriol: used for renal secondary hyperparathyroidism and hypoparathyroidism. Narrow therapeutic index — hypercalcemia risk. Monitor ionized calcium frequently. Do not confuse calcitriol with cholecalciferol.
Species-specific contraindications and adverse-reaction reports for green iguanas may differ from canine / feline reference data — consult the primary citations listed with each rule.
Vitamin D dose range in green iguanas, with cited source references: IM 400 U/kg q7d x 3 treatments. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Vitamin D in green iguanas: IM.
Vitamin D is indicated in green iguanas for: Nutritional secondary hyperparathyroidism.
These are general warnings for Vitamin D across species; consult the green iguana dosing table above for species-specific guidance. Calcitriol: used for renal secondary hyperparathyroidism and hypoparathyroidism. Narrow therapeutic index — hypercalcemia risk. Monitor ionized calcium frequently. Do not confuse calcitriol with cholecalciferol.
Why a species-specific page? Vitamin D pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in green iguanas — 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.
| 200 | PO | Mader's Reptile and Amphibian Medicine and Surgery, 3rd edTable 127.8 | 200 U/kg PO, IM q7d15,21 Lizards/PO may be safer than IM, but absorption is poor in some species26,253 |
| 400 | PO | Mader's Reptile and Amphibian Medicine and Surgery, 3rd edTable 127.8 | 400 U/kg IM q7d × 3 treatments196 Green iguanas/nutritional secondary hyperparathyroidism; use with calcitonin after normocalcemic; also supplement oral calcium |
| 100–400 | PO | Mader's Reptile and Amphibian Medicine and Surgery, 3rd edTable 128.6 | 2-3 U/mL continuous bath (with 2.3% calcium gluconate)52 100-400 U/kg PO q24h52 Nutritional secondary hyperparathyroidism |
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.