29yrs make,otherwise healthy,his ast 750 alt260,non alcoholic,slightly high triglyceride but main problem is sudden high ast alt,it was 59 and 112 respectively last month, no yellowish discoloration of mucosa,slightly dark urine,and suffering from muscle ache , he has started doing exercise since 1week,what may be the cause of this sudden increase?he was on medication,(vite,febuxostat),