What is the reason why the dog's tongue is purple? This may be mainly caused by blood circulation disorders or visceral diseases (such as heart disease, liver disease, etc.). To ensure the health of your pet, you should seek medical treatment as soon as possible to ensure that there is no more serious condition.
The tongue of dogs is purple due to hypoxia in the body. Most dogs are abnormal cardiopulmonary function, which leads to a decrease in blood oxygen concentration, which shows symptoms of purple tongue. If the dog is poisoned and the environment is low, it will also cause the dog's tongue to be purple.
If the dog is still trembling, the situation may be serious and you need to go to the hospital to check whether the vital signs of the body are good, and further check. If you have oxygen at home, you can use it for the dog first.