Dark spots on dogs may be caused by melanin deposition, skin diseases, external parasite infections and other reasons. First of all, if there are no other abnormalities in the dog, it may be normal melanin deposition, and the owner does not need to worry too much. Secondly, if in addition to dark spots, your dog is also accompanied by symptoms such as skin redness, swelling, hair loss, itching, etc., it may be suffering from skin diseases or infected with parasites, and you need to take your dog to the pet hospital for examination in time. After determining the specific cause, symptomatic medication can be used to treat it.

1. Melanin deposition

If your dog often basks in the sun or is exposed to some ultraviolet radiation, it may cause local dark spots. In addition, if the dog is older, the skin will also develop varying degrees of pigmentation as it ages, resulting in dark spots. This is a normal phenomenon. As long as the dog does not show any other abnormal phenomena, the owner does not need to be too nervous.

2. Skin diseases

If the dog is infected with fungi or bacteria, causing skin diseases, the damage to the skin may leave black spots, and may also be accompanied by skin diseases. Redness, swelling, hair loss, dandruff, itching and other symptoms. At this time, the owner needs to take the dog to a nearby pet hospital for examination in time to determine the type of skin disease before treatment.

3. External parasite infection

If the owner does not deworm the dog for a long time, after the dog is infected with fleas, excessive deposition of flea feces may cause black spots. spot. The owner can remove the dog's hair and check to see if there are black granular things on the dog. If so, he can take some and put it into the water. If the water turns blood-colored, it means that the dog is infected with fleas. It is necessary to use external anthelmintics containing fipreronil, selamectin and other ingredients.