I seem to get bouts of d &v every 2 to 3 weeks at the moment and I am on my 5th bout. Tested negative for covid each time. Doesn't seem to be linked to anything I eat. My dc doesn't get it I wash my hands and the bathroom properly and regularly. I haven't lost weight but feel so tried when these bouts come. They last 2-3 days and completely wipe me out. Does anyone have any idea what's causing this as I don't know what to do to stop it.