Does Orlistat Help In Getting Normal Periods?

i AM a girl age of 26 years. Me periods flow is very less. I consult with doctors. All tests has done. No PCOS. no thryriod proble. but a level of insulin is bit high. My weight is getting increase day by day. There is blackness on the corners to my neck and under arms and legs. Getting pimples on my back due to increasing weight. One doctor suggest me to start taking ORlistat capsules. Will it help me! please suggest. At present my weight is 32kg with height of 5 ft.