Hair falk using isotroin

Patient: Sir i.used isotroin 10mg for.acne for a month and i stopped using it. After few days i noticed that my hair is thinning and hair fall i was worried about does im going bald i was worried please tell me what.to.do i have a thick dark bushy hair and ther’s no one in my hme is bald please tell me im worried im 21 now. Please

Doctor: