Dark spots on dogs’ tongues may be caused by genes, oral diseases, congestion, improper medication, etc. Of course, if your dog has dark spots on its tongue since childhood, you don’t need to worry too much. This is not a symptom of a disease and is a normal body phenomenon. However, if there were no dark spots on the dog's tongue before but suddenly there are dark spots, it may be caused by oral disease, congestion, improper medication, etc. You need to consult a pet doctor in time for medication treatment.

1. Genes

If a dog has dark spots on its tongue since childhood, it may be due to the dog’s genes. Because some types of dogs have black spots on their tongues, the expression of genes in dogs may cause black spots on their tongues. This is a normal body phenomenon, and owners don’t need to worry too much. It generally won’t affect the dog’s health.

2. Oral disease

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. It is recommended that the owner take the dog to the pet hospital for examination, and then symptomatic treatment will be given after the diagnosis is confirmed.

3. Congestion

If the dog's tongue is punctured by a sharp object and is not treated in time, the congestion will accumulate on the surface of the dog's tongue and form black plaques. It is recommended that the owner consult a pet doctor in time and give the dog medication to help promote blood circulation and remove blood stasis on time. It usually returns to normal in about 7-14 days. At the same time, do not feed your dog food with sharp points such as bones, otherwise it will easily cause the dog's tongue to be scratched. You can feed some food that is easier to eat to reduce irritation.

4. Improper medication

If there were no dark spots on the dog’s tongue before, but suddenly there are dark spots after using the medication, it may also be caused by improper medication. For example, the use of broad-spectrum antibiotics causes abnormal pigmentation on the tongue and the appearance of black coating. At this time, you need to stop taking the medication immediately and consult your pet's doctor to prevent the condition from getting worse.