Do not give your pet any pain medications such as Tylenol or Advil unless specifically instructed by your vet.
Ask a Vet
Painful or difficult urination is indicated with the medical term of dysuria. A painful urination is normally accompanied by other symptoms such as hesitancy, or straining, prior to, during or after urination.
Lethargy in cats can be secondary to a number of conditions, some more serious than others.
Firstly, you should quantify if your dog is actually drinking an excessive amount of water.
Diarrhea is a very unspecific sign and it may be related to several diseases.