Decrease or increase in appetite. (most dogs refuse food)
Change in bowel movements (diarrhea
, black, tarry or bloody stools).
Change in behavior (decreased or increased activity level, lack of coordination, seizure, or aggression).
Yellowing of gums, skin, or whites of the eyes (jaundiced).
Change in drinking habits (frequency or amount consumed).
Change in urination habits (frequency, color, or smell).
Change in skin (redness, scabs, or scratching).
Unexpected weight loss.