There is no cut off range in that.. If in necessasity then take steroids , but should be tappered and stopped. 3 , 5, 7 days as per the severity

Steroids should be taken under the supervision of Doctor only, also short duration of steroid treatment is not a risk factor for black fungus , but if steroid is used for a long duration then it can be dangerous , in case of steroids , the duration of taking steroids is mote important than dose of steroids , to avoid black fungus , don’t take steroids for more than one week..... Dr. Rupal Rana Arya (Senior Consultant Physician) Mumbai

Depends on severity

Depends on the amount and duration of steroids administered Sugar level And Patient’s Immunity