Dehydrated dogs may lose their appetites, get dry gums, lose the elasticity in their skin, have sunken eyes, or even suffer from depression. (mypetneedsthat.com)
- Low body temperature - Poor body condition, showing weight loss - Excessive skin tenting and dry gums showing dehydration - Unkempt hair coat - Sharp or bad breath, possibly with ulcers in the mouth - Pale gums - Evidence of ocular hemorrhage or blindness associated with high blood pressure (hypertension) (iheartcats.com)