What Causes Abdominal Pain And Bloating With Back Pain?

Hello last 3 days i got a abdominal pain when i eat 30 - 1hrs im having back pain, always thirsty, peeing, bloated and burping, i try to pee and wait some ants are swarming the toilet i tried my saliva there s ants too but my vision are not blurry no pain in legs , foots and hand