hello doctor, i have developed a itchy dark patch on the skin of my abdomen for the past 4 months. Initially the area was small but its spreading. Doctor advised me to apply momate-F ointment, but intially it appeared to be healing for first 2 days, but suddenly the area became reddish, swolen and skin started peeling off. what do i do next??? age: 33, male, height : 170 cm, wt: 75 Kg.