Infection can develop after an injury or wound to the skin or mucous membranes (such as the inside of the nose or mouth), a bite or sting, a tattoo or piercing, or other skin problems. Signs of infection may include:
Bruises usually do not become infected unless the skin was cut, punctured, or scraped. Most wounds will not become infected if they are properly cleaned and cared for. If you have a cut, puncture, or scrape, see the Home Treatment section of the topics Cuts, Puncture Wounds, or Scrapes, and follow the steps for cleaning and caring for a wound to reduce your risk of infection.
It is important to watch for a skin infection during the healing process. Wound infections are more likely to develop if:
Last Revised: April 21, 2011
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