Is nail clubbing related to lung disease?

Yes. Many lung conditions are associated with clubbing, as well as heart and liver issues. If you have clubbing, you should see your doctor, partciualrly if you are a smoker.

Related Questions

What lung disease cause clubbing nails and can it be a sign of respiratory acidosis?

Clubbing. Describes the bulbous, clublike deformation of the distal portion of the fingers and toes resulting from connective-tissue proliferation. Clubbing may be hereditary, ie, primary hypertrophic osteoarthropathy, but, more often, it is acquired and is associated with a number of infectious, inflammatory, neoplastic, and vascular disorders. It may occur with several lung diseases. Ref:Medscape.