Can I increase the dosage and stop taking Roaccutane at the 3rd month? How much time do I need after it to get pregnant?(photos)

Im not a sever case for acne and pimples but my dr suggested roaccutane to solve my issue..i am a 51 kg female aged 25..iv been on roaccutane 40mg/day for a month only and my skin is clearing up but i have a very itchy skin

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