Hi , a few days ago I started to have flu like symptoms , started to feel better , then Saturday started to have lower back spams going around to the abdomen , there is no swelling , but I have no appetite , a few days of feeling sick ...can't understand what my body is telling me ..in bed for at least two days , with the spams , still not much appetite , drinking gatorade and water ...not really going to bathroom much ....mouth is real dry ..any clues