Signs of a skin infection

Infection can develop after an injury or wound to the skin such as a cut or scrape, a bite or sting, a tattoo or piercing, or other skin problems. An infection may develop in a skin growth or spot when bacteria enter irritated or injured skin at or near the site of the skin growth. Signs of infection may include:

  • Increased pain, swelling, redness, or warmth around the affected area.
  • Red streaks extending from the affected area.
  • Drainage of pus from the area.
  • Fever or chills with no other known cause.
  • Swollen glands (lymph nodes) in the neck, armpit, or groin.

Certain diseases may increase your risk for a serious infection. People who have diabetes, peripheral arterial disease, or an impaired immune system may require medical treatment at the first signs of infection.

Most skin spots, growths, and bumps will not become infected. Symptoms of a minor skin infection may be treated at home.

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