Where infections commonly start
This page tells you about where infections commonly start. Fever can be one of the first symptoms of an infection somewhere in your body. It is a sign that your immune system is trying to fight off the infection. A fever in itself is not usually dangerous, but the infection that causes it can be. It is very important to tell your doctor if you develop a fever so they can treat the infection that is causing it.
An infection can occur anywhere in your body. The most common places are
- The mouth and throat
- The skin
- The lungs
- The kidneys and bladder, especially if you have a catheter to drain urine from your bladder
- Where a drip or central line goes in (cannula sites and PICC line sites)
- Wounds and where wound drains go in
- Ulcerating tumours
Other less common places are the
- Liver and abdomen
- Gullet (oesophagus)
- Vagina and anus
- Brain and spinal cord





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