My sister-in-law changed her sheets and washed her yesterday which is the first time

I have just had a phone call and she is much worse now cant even stand up and she has chronic Diarrhea and bless her she has not had any food since last wed,i am so cross with hubbys dad even when he did ring the doctor he really played it down saying that she was not that bad,oh god i am so bloody cross i just dont know what to say,i just hope he has not left it to late:-1