Reptile · Correlophus ciliatus · typical adult weight 0.04–0.06 kg
Levothyroxine is dosed at 0.02 mg/kg PO q48h in crested geckos, per Hadfield CA, Clayton LA, Clancy MM. Proliferative thyroid lesions in three diplodactylid geckos: Nephrurus amyae, Nephrurus levis, and Oedura marmorata. J Zoo Wildl Med. 2012;43:131-140. — Mined from Carpenter's Exotic Animal Formulary, 6th Ed, p.260 (2026-08-01, PENDING REVIEW) doi:10.1638/2011-0106.1. Levothyroxine is used in crested geckos for Post-thyroidectomy hormone replacement; lifetime management. Routes documented in crested geckos: PO. A typical adult crested gecko weighs 0.04–0.06 kg. ExoticRx lists 1 cited dose rule for Levothyroxine in crested geckos, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Soloxine, Thyro-Tabs
| Route | Dose | Frequency | Indication | Evidence | Source |
|---|---|---|---|---|---|
| PO | 0.02 mg/kg | q48h | Post-thyroidectomy hormone replacement; lifetime management | Moderate | Hadfield CA, Clayton LA, Clancy MM. Proliferative thyroid lesions in three diplodactylid geckos: Nephrurus amyae, Nephrurus levis, and Oedura marmorata. J Zoo Wildl Med. 2012;43:131-140. — Mined from Carpenter's Exotic Animal Formulary, 6th Ed, p.260 (2026-08-01, PENDING REVIEW) doi:10.1638/2011-0106.1 |
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These ranges are per kg. Enter your crested gecko's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Synthetic T4 (thyroxine) that is converted to active T3 in peripheral tissues. Restores normal metabolic rate, thermogenesis, and organ function.
Dose based on body weight, adjusted by monitoring serum T4 levels (4-6 hour post-pill sample). Give on empty stomach. Monitor for signs of thyrotoxicosis (tachycardia, panting, anxiety). Dogs primarily.
Species-specific contraindications and adverse-reaction reports for crested geckos may differ from canine / feline reference data — consult the primary citations listed with each rule.
Levothyroxine dose range in crested geckos, with cited source references: PO 0.02 mg/kg q48h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Levothyroxine in crested geckos: PO.
Levothyroxine is indicated in crested geckos for: Post-thyroidectomy hormone replacement; lifetime management.
These are general warnings for Levothyroxine across species; consult the crested gecko dosing table above for species-specific guidance. Dose based on body weight, adjusted by monitoring serum T4 levels (4-6 hour post-pill sample). Give on empty stomach. Monitor for signs of thyrotoxicosis (tachycardia, panting, anxiety). Dogs primarily.
Why a species-specific page? Levothyroxine pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in crested 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.