Severe abdominal pain in right side?

I started having abdomenal pain about 3 months ago its started to get really painful, i had an appendiceptomy but they were normal, i then had a small ovarian cyst removed but the pain continued, i have unpredictable bowel movements, i sarted being sick a few times a week about 3 months ago but now for the past 3weeks im sick after everything i eat,the pains starting to get a little higher and is spreading to my back, i have a swollen tummy and get bad cramps help!