To half a moxa stick, the legs begin to shake, remove the moxa stick to stop, like stomach meridian arm

I had moxibustion on an moxa stick yesterday. When I burned half of it, my legs began to tremble. It was like the stomach meridian and bladder meridian shaking up, the back waist was swollen, and the buttocks were cool. I tried to lower the temperature wi >>>>all contentword number237