Lately, I got stomach cramps about 1 - 2 times a day. Usually happens when there's sudden change of temperature around. Also in whatever condition my body is warm - such as in panic or arousal - meets cold room, my stomach hurts. My stomach hurts in about 3 - 10 minutes, and I either felt like nothing, flatulence / fart, or going to the bathroom. The pain is inevitable, and hurts so much that is near the line of untolerable pain. Is like having a World War 2 in my stomach What's happening in my body? Thanks