The hardness of the wound may be caused by infection, hematoma or scar proliferation.
1. Infection: If the wound site is not properly cared for, resulting in infection, it may make the local hardness. At the same time, the wound may appear red, swollen and painful.
2. Hematoma: If the wound bleeds more seriously, hematoma may appear, and usually there will be hard lumps, accompanied by symptoms of pain.
3. Scar hyperplasia: scar tissue is usually formed during the wound healing process, and the hyperplasia of the scar tissue is hard to the touch, so the wound will feel hard, and with the passage of time, the scar will be gradually transformed, and the hard lumps will gradually become softer, until they disappear.
The hardness of the wound may also be caused by other reasons, specific need to go to the regular hospital, a clear diagnosis, and then according to the situation to deal with.