What is Fading Kitten Syndrome? Fading Kitten Syndrome occurs when 2 things happen: Hypothermia (Body temperature gets too low) Hypoglycemia (Glucose level goes too low) I’ve seen this most often in kittens between the ages of 2-9 weeks. The symptoms of Fading Kitten Syndrome are: Lethargy (Little to no energy) Low body temperature (Anything underRead more