Unusually curved fingertips and nails


Clubbing of the fingertips means the tissue beneath the nails thickens and the fingertips become rounded andbulbous. The fingernails curve over the rounded fingertips.

Clubbing isthought to be caused by increased blood flow to the fingertips. It can run in families and be completely harmless. However, if it suddenly develops, it may be a sign of one of many possible medical conditions, including:

  • long-term lung disease or heart disease, such as lung cancer , bronchiectasis ,or endocarditis
  • inflammatory bowel disease a long-term condition that causes inflammation of the lining of the gut
  • stomach cancer or bowel cancer
  • cirrhosis (scarring of the liver)
  • polycythaemia a condition where the blood is too thick
Content supplied by the NHS Website

Medically Reviewed by a doctor on 21 Dec 2018