Pitted fingernails can have various causes, ranging in severity from 'worrying' to 'serious'. Finding the true cause means ruling out or confirming each possibility – in other words, diagnosis.
Diagnosis is usually a complex process due to the sheer number of possible causes and related symptoms. In order to diagnose pitted fingernails, we could:
|Juvenile Rheumatoid Arthritis||3%||Ruled out|
|Ankylosing Spondylitis||2%||Ruled out|
|Psoriatic Arthritis||0%||Ruled out|
Is the surface of your nails pitted with small 'dents'?
Possible responses:→ Don't know