Oedema is abuild up of fluid in the body which causes the affected tissue to become swollen .

The swelling can occurin one particular part of the bodyor may be more general, depending on the cause.

Fluid can accumulate under the skin most commonly causing swelling of the lower legs and ankles or in one of the body's internal organs, such as the lungs.

As well as swelling or puffiness of the skin, oedema can also cause:

  • skin discolouration
  • areas of skin that temporarily hold the imprint of your finger when pressed (known as pitting oedema)
  • aching, tender limbs
  • stiff joints
  • weight gain
Content supplied by the NHS Website

Medically Reviewed by a doctor on 1 Aug 2016