Most of our pet must have ever got illness due to any pet diseases. Such as in cat, it is very possible for the cat health turns to illness. It scares you of course of getting loss your cat because of the death come to your cat. Do not worry, cat illness symptoms can be look from outside condition of your cat. When your feline turns to lethargy, weight loss, and unhealed sores for long time, changing of eye color, get constipation, or no desire to eat its daily meals, you may worry and tell your vet soon. That’s why; understanding the symptoms of cat disease can make you convenience and earlier save them from the worst.