Definition clubbing is changes in the areas under and around the toenails and fingernails that occur with some disorders. The nails may also show changes. Clubbing (also known as club culture, related to raving) is the activity of visiting and gathering socially at nightclubs (discotheques, discos or just clubs) and festivals.

Nail clubbing, also known as digital clubbing or clubbing, is a deformity of the finger or toe nails associated with several diseases, anomalies and defects, some congenital, mostly of the heart and …