ExoticRx · exoticrx.com/drugs/mitotane
Lysodren
Selectively destroys the zona fasciculata and zona reticularis of the adrenal cortex, reducing cortisol production. Also alters extra-adrenal steroid metabolism.
TOXIC — requires careful dose titration and ACTH stimulation test monitoring. Iatrogenic Addison's crisis is a serious risk. Handler precautions (carcinogenic). Give with food (fat enhances absorption). Dogs only.
Each ExoticRx dose rule is graded by the strength of its primary evidence — see the editorial process.
Free-tier preview — dog and cat dosing. Pro and Student unlock all 1 species including reptiles, birds, pocket pets, livestock, and equine.
| Species | Route | Dose | Frequency | Evidence | Source |
|---|---|---|---|---|---|
| Dog (Domestic) | PO | 25–50 mg/kg | q24h (induction), then q7d (maintenance) | Strong | Plumb's Veterinary Drug Handbook, 9th Ed |
Upgrade to Pro or Student to access full drug details including mechanism of action, warnings, dose ranges, and frequency.
View PlansSource citations and evidence levels available on the live page. Reference only — verify against current literature before clinical use.