The lower lip is slightly itchy and enlarged like a silkworm cocoon

At the beginning, labial bacteria often appear induration on the lower lip, slightly itchy and uncomfortable, and gradually increase, with a rough surface like silkworm cocoons, or like nipples, fungi; followed by ulceration and pain, hard substrate, and sometimes bleeding, stench, ulcers, or crusts , After the fall off again; the swelling can extend to the entire lip, obstructing the diet.