My schnauzer has a lump on his left hip between his tail and his spine. The area is hard and appears to be warm. It must be painful because he doesn't like for you to touch it. Does it need to be popped?
Optional Information: Age: 7; Male; Breed: schnauzer
Already Tried:
sticking a #18 guage needle in it. it only bled and didn't ooze any pus