my daughter has been suffering for 2 years,she has chronic diarehha,episodes of blood shot eyes,pain in joints weight is out of control,tired all the time ,and bouts of depression because of health,is this all caused by irritable bowel syndrome?she has had all kinds of tests including x-rays ,blood work,well every test you can think of and seen so many doctors its unbelieveable,do you have any suggestions,shes 45 years old.