Suggest Treatment For Painful Menstrual Periods

Hello, I'm Pearl of 19, however i always try to reduce the intake of sugary foods a week to my period but its of no help.And I keep throwing up after doing all I can do to stop it.The pain is that bad that I cant even go for lectures or do anything and I can feel my period coming now and I want to know what i can do best to stop the pains this time..It's just horrible for me