The reasons why dogs have black spots on their tongues:

1. If your dog has black spots on its tongue since childhood, it may be due to the dog’s genes.

2. If the black spots on the dog’s tongue appear suddenly and have seriously affected the dog’s appetite, it is suspected to be caused by oral disease.

3. If the dog’s tongue is punctured by a sharp object and is not treated in time, black plaques will form as congestion accumulates on the epidermis of the dog’s tongue.

4. If there are no dark spots on the dog’s tongue before, but suddenly there are dark spots after using the drug, it may also be caused by improper use of the drug.

Solutions for black spots on dogs’ tongues:

1. If it is caused by genes, this is a normal body phenomenon. Owners do not need to worry too much. Generally, it will not affect Dog’s physical health.

2. If it is caused by oral disease, it is recommended that the owner take the dog to the pet hospital for examination and symptomatic treatment after diagnosis.

3. If it is caused by congestion, it is recommended that the owner consult a pet doctor in time and treat the dog with drugs that help promote blood circulation and remove blood stasis on time.

4. If it is caused by improper use of medication, you need to stop taking the medication immediately and consult a pet doctor to prevent the condition from getting worse.