The red, swollen and hairless outer ring of a dog's eyes may be caused by the following three reasons: 1. External stimulation, which may be caused by the dog fighting with other dogs or being scratched by foreign objects while playing; 2. , Skin diseases, it may be that the dog is infected with bacteria, fungi, parasites, etc., resulting in skin diseases causing redness, swelling and hair loss; 3. Caused by allergies, it may be the food that the dog has eaten that caused an allergic reaction.

Tip:

When the outer ring of the dog’s eyes is red, swollen and hairless, the owner should first check whether there is any trauma around the dog’s eyes. If there is any, the owner should give Treat the dog's wound and apply medicine. If the dog's symptoms are very serious, it should be sent to the pet hospital for examination and treatment in time.