Dogs are considered man's best friend because of their loving and loyal attitudes toward their masters. Just as your dog is your best friend, you should be his or her too by making sure that you protect the welfare of your beloved pet. You can thank your Shih Tzu for his or her love and loyalty by being responsible and keeping an eye on their health and safety. If your Shih Tzu begins to act unusual or exhibits uncharacteristic behavior, this could be an indicator that somethin is wrong. If this is the case, you'll need to seek professional help from a vet before symptoms escalate. While you can't diagnose illnesses yourself, here are the signs and symptoms you should look for that would warrant a trip to your pet's doctor.
1. Appetite change associated with excessive weight loss
One of the main and very first indicators that your Shih Tzu is suffering from an illness is excessive weight loss or lack of appetite. There are many reasons why dogs may refuse to eat, but weight loss ranging from 10% of their normal weight is a serious condition that should be evaluated by a vet.