Lung cancer is the most common cause of clubbing. Clubbing often occurs in heart and lung diseases that reduce the amount of oxygen in the blood. These may include:
Other causes of clubbing:
Common symptoms of clubbing:
Clubbing can develop quickly, often within weeks. It also can go away quickly when its cause is treated.
Clubbing is changes in the areas under and around the toenails and fingernails that occur with some disorders. The nails also show changes.
A person with clubbing often has symptoms of another condition. Diagnosing that condition is based on:
The provider may ask questions such as:
The following tests may be done:
There is no treatment for the clubbing itself. The cause of clubbing can be treated, however.
If you notice clubbing, call your health care provider.
Davis JL, Murray JF. History and physical examinations. In: Broaddus VC, Mason RJ, Ernst MD, et al, eds. Murray and Nadel's Textbook of Respiratory Medicine. 6th ed. Philadelphia, PA: Elsevier Saunders; 2016:chap 16.
Kleigman RM, Stanton BF, St. Geme JW, Schor NF. Cyanotic congenital heart lesions: lesions associated with decreased pulmonary blood flow. In: Kliegman RM, Stanton BF, St Geme JW, Schor NF, eds. Nelson Textbook of Pediatrics. 20th ed. Philadelphia, PA: Elsevier; 2016:chap 430.
Review Date: 4/24/2017
Reviewed By: Liora C Adler, MD, Pediatric Emergency Medicine, Joe DiMaggio Children’s Hospital, Hollywood, FL. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
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