Skin abrasion is a type of injury that occurs when the skin is scraped or chafed. It is usually caused by friction, such as rubbing against a rough surface or clothing. The most common symptom of skin abrasion is pain and redness in the affected area. In more severe cases, it can also cause bleeding, swelling, and infection. Treatment for skin abrasion typically involves cleaning the wound, applying an antibiotic ointment, and covering the area with a bandage.