Is 3 months therapy of Accutane enough? And acne will never come back

Im male, asian descent, 25 years old, 68 kgs. I had a mild acne. Took accutane 20 mg on my first month. Then increased to 30 mg on 2nd and 3rd month. Now i need to stop due to elevated liver enzymes. Sgot,sgpt and ggt. I know drinking was really a bad Habit while on this drug. Should I be worried if i just finished 3 months? My skin is really improved. Fear that pimples will come back.

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