Category: Retinoid, vitamin A derivative (oral treatment for severe acne)

Active substance: Isotretinoin 10 mg per capsule

Packaging: 30 capsules × 10 mg

Half-life: 10 – 20 hours

Abused dosage: 20–40 mg daily for several months, continued until the acne has cleared

• commonly 0.5 – 1 mg/kg daily, divided into 1–2 doses

• duration of treatment usually 16 – 24 weeks depending on severity of acne

• Duration of use: fixed treatment course (months), not long-term continuous therapy