Most cuts and scrapes are minor and can generally heal by themselves, especially if you wash the area with soap and water, apply antibiotic ointment, and place a bandage on it. Sometimes, however, bacteria can enter the skin through the open wound and grow faster than your body can fight them. This may cause an infection.
In this video, learn the typical signs of an infected cut and when to call a doctor. Read more about how to treat a cut here.
Armstrong, D.G., et al. (2024). Basic principles of wound management. UpToDate.
Baddour, L.M. (2022). Patient education: Skin and soft tissue infection (cellulitis) (Beyond the Basics). UpToDate.
MedlinePlus. (2023). Cuts and puncture wounds.