Dogs only drink water and do not eat reasons

The dog only drinks water and does not eat, probably because the stomach is not hungry, before eating too much has not been digested. It may be that the weather is too hot and the dog has no appetite for food. If the dog is sick is also will not eat and drink only drink water, such as uterine pus, cold and other diseases. The body of a healthy dog only drink water without food, the spirit is not any problem, alive and well. Sick dogs do not eat food only drink water, generally are bad mental image.