White spots on fingernails can have various causes, ranging in severity from 'worrying' to 'needs attention'. 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 white spots on fingernails, we could:
|Stomach Acid Deficiency||24%||Unlikely|
|Zinc Need||1%||Ruled out|
Do your fingernails have white spots on them? Look at all of your fingernails on both hands and count the total number of white spots.
Possible responses:→ No / none / don't know
→ Yes, one or two white spots
→ Yes, 3-5 white spots
→ Yes, more than 5 white spots
Leukonychia punctata (white spots) are a sign of pyroluria.