finals exams

hello poo, i want to ask if i can still retake our finals exam? kasi this week na po finals namin and i am sick and nung nagpa check up ako sabi ng doctor wag daw muna akong pumasok for a week to rest. however, i am worried kasi exams namin this week and i don't if pwede bang mag retake ng exams kung sakaling namiss siyaa? also what should i do po? from commerce btw