Why I am getting again and again severe acne even after using minozbbpo, aziderm gel, sotret, dapson gel and many more?

After going into 25th year, I started getting severe acne on my whole face and neck. The acne gets multiplied and increases after washing or touching the face. These acne are very hard and stubborn. They don't go by taking antibiotics. My doc provided me sotret 10mg per day for 6 months. That cleared my all acne and simultaneously she provided me dapson gel and Minoz bpo. After 6 months, I stopped taking sotret for 2 months. Then acne again started coming up. Then I again started taking sotret and so on.

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