A wound that heals on the surface but hurts on the inside may be physiologic pain or pathologic pain.
1. Physiological pain: new blood vessels and nerves will grow out of the connective tissue, these new blood vessels and nerves are very close to each other, the new nerve endings are easily stimulated, and due to the incomplete function of the newborn capillaries, the sensation is blurred, which will cause pain and itching, and in general, the pain is not very serious. Generally speaking, the pain is not very serious. After the wound gradually heals, the pain will be reduced until it disappears.
2. Pathological pain: if the incision is inflamed, or there is a foreign body, the incision can be infected, which will also be manifested as the surface of the incision is healed, but the deep infection inside can produce pain.
In case of wound surface healing but pain inside, you should go to the hospital in time for examination and treatment under the guidance of the doctor.