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Complications of Baker's cyst

NHS ChoicesMedical Reference

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Ruptured Baker's cyst

In rare cases, a Baker's cyst can rupture (burst), causing the synovial fluid to leak down into your calf. This can cause:

  • a sharp pain in your knee and calf, and
  • swelling and inflammation of your calf.

The synovial fluid will gradually be reabsorbed into the body over one to four weeks. Prescription painkillers, usually a combination of paracetamol and codeine, can be used to control any pain.

Medical Review: July 04, 2009

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