The dog keeps screaming after the injection may be caused by nervousness, fear, fear, etc., because the dog itself also feels pain, and will also feel pain during the injection. In addition, it is more nervous and fearful. It will keep screaming. This is normal and the owner does not need to worry too much.
Tip:
After the dog has received the injection, you can hold the dog in your arms to comfort it and pet it The dog's head can relieve the dog's nervousness, and the dog will return to normal after a while.