3 weeks ago my son who s 1 1/2 came down with a cold. 2 weeks ago he started vomitting and acting very lethargic, not eating, and no bowel movements. We went to the er and he was diagnosed with upper respitory infection, ear infections, and a flu bug. It has been 6 days since we went to the er, he is still very lethargic, not eating, vomitting. He passed a small bm, it was very painful for him and very hard stool. When I touch his stomach he cries out in pain.