according to the U.S. National Library of Medicine website https://medlineplus.gov/ency/patientinstructions/000741.htm https://medlineplus.gov/ency/patientinstructions/000741.htm https://medlineplus.gov/ency/patientinstructions/000741.htm https://medlineplus.gov/ency/patientinstructions/000741.htm https://medlineplus.gov/ency/patientinstructions/000741.htm https://medlineplus.gov/ency/patientinstructions/000741.htm it tries to heal itself good idea it tries to heal itself https://medlineplus.gov/ency/patientinstructions/000741.htm https://medlineplus.gov/ency/patientinstructions/000741.htm How wounds heal Encyclopedia: How Wounds Heal https://medlineplus.gov/ency/patientinstructions/000741.htm How wounds heal How Wounds Heal