Hi my father is 62 yrs old last year he had bypass surgery, we came to know that his
kidney is
Not functioning properly
creatinine level was 3, later with proper diet till oct 2024 it came down to 1.8, now in month of feb 2025 his creatinine has shot upto 2.6 how can we reduce this ,just for information when his creatinine level was decreased to 1.8 he started his regular diet which included mutton meat, chicken and all sort as he use to have earlier before his surgery please guide how can we help to reduce it?will it get reduced?