Stop using bosutinib and call your doctor at once if you have: 1  severe or ongoing nausea, vomiting, stomach pain, or diarrhea;  black, bloody, or tarry stools, coughing up blood or vomit that looks like coffee grounds;
Quick Answer. Dogs can exhibit signs of excessive water drinking for a variety of reasons, including life-threatening dehydration, illness, side effects to medication, diet and physical activity, according to WebMD. If a dog is dehydrated, it may also have a dry tongue and gums, be lethargic and exhibit thick ropelike saliva. Illnesses such as liver disease, diabetes, Cushing's disease, diarrhea, fever and infection can also cause dehydration.
The most common cause of lethargy and loss of appetite in dogs is an infection in the body. Other reasons a dog would be lethargic and uninterested in eating are pain, medications, liver disease, heart disease and diabetes mellitus, according to WebMD.