Clubbing is a thickening of the flesh under the toenails and fingernails. The nail curves downward, similar to the shape of the round part of an upside-down spoon.
Clubbing occurs with a wide number of diseases. It is most often found in heart and lung diseases that cause a lower-than-normal amount of oxygen in the blood.
Clubbing may also be due to lung cancer, and diseases of the liver and gastrointestinal tract.
Clubbing may also occur in...Read more
Full Question: I am 52, oxygen. asthema, and severe copd. I have started to have very sharp very painful stabbing pain on left side of my... Read more »