Suggest Remedy For Stomach Cramps During Menses

Hello, i am 18 years old. weight about 140 and 5 foot 4. every since i was about 15/16 old have a period like every six months. when i do they are the worst. i cant sleep. back pain, headaches, and stomach pain. i never had a regular period before. ive seen gyecologists. ive taken hormone pills and everything! what to do? my family and i are worried.