Kala-azar in dogs requires injection of drugs for treatment. It is best to take the dog to the pet hospital for examination. After confirming that it is kala-azar, professional treatment can be carried out to avoid delaying the condition. The incubation period of dog kala-azar is relatively long, the symptoms are not obvious, and it can be transmitted to humans. Therefore, preventive measures must be taken, and dogs should be bathed and dewormed on time to avoid being infected with parasites and causing kala-azar.