Ive been to docs for three weeks. My son is covered with a rash from head to toe....really bad rash...every inch of his body...and nobody knows what s wrong. They ve treated him for allergic reactions, and dry skin..lol....and now say It must be a virus but we have no idea what No blood tests....just sent us home. I don t know if it makes a difference or not but his eyes have been getting very blurry. This rash will not go away. It s not bed bugs or fleas...it s a medical rash...entire body. Please help.