Clubbing is changes in the areas under and around the toenails and fingernails that occur with some disorders. The nails also show changes.
Common symptoms of clubbing:
The nail beds soften. The nails may seem to “float” instead of being firmly attached.
The nails forms a sharper angle with the cuticle.
The last part of the finger may appear large or bulging. It may also be warm and red.
The nail curves downward so it looks like the round part of an upside-down spoon.
Clubbing can develop quickly, often within weeks. It also can go away quickly when its cause is treated.
Heart defects that are present at birth(congenital)
Chronic lung infections that occur in people with
bronchiectasis, cystic fibrosis, or lung abscess
Infection of the lining of the heart chambers and heart valves (infectious endocarditis). This can be caused by bacteria, fungi, or other infectious substances
Lung disorders in which the deep lung tissues become swollen and then scarred (
interstitial lung disease)
Other causes of clubbing:
Celiac disease Cirrhosisof the liver and other liver diseases
- Overactive thyroid gland
- Other types of cancer, including liver, gastrointestinal,
Call your health care provider if
If you notice clubbing, call your health care provider.
What to expect at your health care provider’s office
A person with clubbing often has symptoms of another condition. Diagnosing that condition is based on:
Physical exam that looks at the lungs and chest
The health care provider may ask questions such as:
- Do you have any trouble breathing?
- Do you have clubbing of the fingers, toes, or both?
- When did you first notice this? Do you think it’s getting worse?
- Does the skin ever have a blue color?
- What other symptoms do you have?
The following tests may be done:
Arterial blood gas
CT scan Chest x-ray Echocardiogram EKG Pulmonary function tests
There is no treatment for the clubbing itself. The cause of clubbing can be treated, however.