2) You should go shopping for your dog if you don’t have the essentials. You will need medications that your dog takes regularly, as well as a crate, identification and vaccination categories, a collar, and leash. Your Shih Tzu's I.D. tag should contain your contact information, in case your pet gets lost in an unfamiliar place. Finally, make sure that you carry a recent photo of your pet with you, in the event that he or she gets lost.