Clubbing can result from a variety of underlying health issues. Some of the most common causes include:
Lung diseases such as lung cancer, chronic obstructive pulmonary disease (COPD), and pulmonary fibrosis. Heart diseases like congenital heart defects, bacterial endocarditis, and cyanotic heart disease. Gastrointestinal conditions including Crohn's disease, liver cirrhosis, and celiac disease. Other systemic conditions like Graves' disease and hyperthyroidism.
