What to Watch For
Gastrointestinal symptoms include nausea, loss of
appetite,
vomiting, diarrhea, melena (black, tarry stools), abdominal pain and ulceration of the stomach.
Damage to the kidneys may cause signs of acute kidney failure such as increased thirst, increased urination, vomiting, diarrhea, loss of appetite, lethargy and dilute urine (lighter in color).