Scar proliferation may be caused by wound infection, excessive skin tension, keloidism and other factors.
1. Wound infection: Wound infection during the healing process, resulting in wound inflammation, will stimulate the excessive proliferation of granulation tissue, resulting in the appearance of hyperplastic scars.
2. Excessive skin tension: When the wound is not completely healed, the limb where the wound is located has too much activity, and the greater the skin tension, the easier it is to proliferate the scar.
3. Keloid: keloid is a special type of body, a few people will occur, usually genetic factors, manifested as minor trauma or no trauma, just a pimple, after healing, the local will form a hard pimple, the pimple will be beyond the original injury site and will gradually increase, there will be hyperplasia scars.
Scar growth may also be caused by other reasons, if the growth area is large or accompanied by other uncomfortable symptoms, it is recommended to go to the dermatologist in time for treatment.