Stop using the medication and call your veterinarian at once if any of the following serious side
effects occur; Black, bloody, or tarry stools; coughing up blood or vomit that looks like coffee grounds; swelling or rapid weight gain; urinating less than usual or not at all; nausea, stomach pain, loss of appetite, dark urine, yellowing of eyes; fever,
severe blistering, peeling, and red skin rash;
chills, seizure.