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. Symptoms 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.
- Swollen
lymph nodes in the neck, armpit, or
groin.
- Fever.
Infection in a cut or other skin wound can occur from your
own skin bacteria, from bacteria in the environment, or from bacteria on the
puncturing object. Objects in the wound increase the chances of
infection. Certain areas of the body normally have more skin bacteria, such as
the genital and anal area, skin folds, and the web spaces between the toes.
Wounds in these areas have an increased risk of infection.
Cuts and other skin wounds may become infected deep inside the wound.
When a wound becomes infected, there may be few noticeable signs at the
puncture site. The pain and swelling may feel as if they are deep inside the
wound.
Sometimes the skin over a puncture wound heals while an
infection develops deep within the puncture wound. When this happens, a pocket
of pus (abscess) may form deep within the
wound.
If you clean and care for your skin wound, you will reduce your
chances of developing a skin infection.
Certain diseases may increase your risk for a serious infection.
People with
diabetes,
peripheral arterial disease, or an impaired
immune system may require medical treatment at the
first symptoms of infection.
Prompt medical treatment of an infection can help prevent serious
complications.