Dog parvovirus infection usually requires fasting from food and water for 2 days. It is not recommended to fast for too long without water, because fasting can easily cause the body to absorb and digest the intestinal chorion, aggravating the infection. After the dog's parvovirus is treated, it may leave sequelae, causing the dog to not want to eat for a long time, or even Might starve to death.

During the onset of parvovirus in dogs, severe diarrhea occurs, and the excrement ranges from yellow-green to brown, or bloody stools the color of ketchup are combined. With a special fishy smell. When the dog is sick, the owner needs to take good care of it, have confidence in it, and encourage it more. Dogs are humane and will persevere as long as they have a breath.