Do you often lick your toes? Probably refers to interstitial inflammation, which is as big as acne at first, but it will get bigger and bigger gradually. There may be purulent blood in it, or purulent blood, some will be swollen, and some dogs will be afraid to step on the ground because of swelling and pain, so they will be lame when walking. Symptoms may only be red, or abscess may appear. Because of discomfort, dogs often lick their toes, which is one of the symptoms of dog reaction. Spray Kangfuling on the affected area 2-3 times a day, which is safe. Don't worry that the dog will lick the medicine, licking is harmless.