Isotretinoin (Accutane) Dosing Calculator
Calculate isotretinoin (Accutane) treatment parameters including daily dose, cumulative dose, and expected treatment duration. Medical reference tool for severe acne treatment planning with a healthcare provider.
Formula
Total Cumulative = Body Weight × Target (mg/kg); Duration = Total ÷ Daily Dose
- Standard cumulative dose: 120-150 mg/kg for remission
- Typical daily dose: 0.5-1.0 mg/kg/day
- Treatment usually 4-6 months
70kg Patient
Inputs
- Body Weight (kg): 70 kg
- Target Cumulative Dose (mg/kg): 120 mg/kg
- Daily Dose (mg/kg/day): 0.8 mg/kg/day
70kg × 120 = 8,400mg target. At 56mg/day = 150 days ≈ 5 months treatment.
Frequently asked questions
Can I calculate my dose myself?
No. Only a dermatologist can prescribe isotretinoin. This is a reference tool for educational purposes.