Accutane cure for my acne?

I had acne conglobata and I took a 6 month course for accutane(40mg/day) 2 years back. My acne came back after an year, I was using whey protein and body building for a few months. My doctor gave me another course for 2 months and the acne disappeared. After 4 months I have started developing huge acne again. What should I do, should I go to him for a third course? is it a permanent solution?

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