White Spots On Your Fingernails

What Causes White Spots On Fingernails?

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.

Diagnose your symptoms now!
  • understand what's happening to your body
  • see your health summarized and in detail
  • identify any nutritional deficiencies

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:

  • Research the topic
  • Find a doctor with the time
  • Use a diagnostic computer system.
The process is the same, whichever method is used.

Step 1: List all Possible Causes

We begin by identifying the disease conditions which have "white spots on fingernails" as a symptom.  Here are three possibilities:
  • Stomach Acid Deficiency
  • Pyroluria
  • Zinc Need

Step 2: Build a Symptom Checklist

We then identify all possible symptoms and risk factors of each possible cause, and check the ones that apply:
reduced sense of smell
offensive-smelling stool
moderate frequency of sex
high sensitivity to bright light
calcium supplementation
iron supplementation
chronic nausea
forgetting dreams
being prone to 'stitches'
frequent unexplained nausea
deformed toenails
high alcohol consumption
... and more than 40 others

Step 3: Rule Out or Confirm each Possible Cause

A differential diagnosis of your symptoms and risk factors finds the likely cause of white spots on fingernails:
Cause Probability Status
Pyroluria 94% Confirm
Stomach Acid Deficiency 24% Unlikely
Zinc Need 1% Ruled out
* This is a simple example to illustrate the process

Arriving at a Correct Diagnosis

The Analyst™ is our online diagnosis tool that learns all about you through a straightforward process of multi-level questioning, providing diagnosis at the end.

If you indicate abnormal fingernails and toenails, The Analyst™ will ask further questions including this one:
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
Based on your response to this question, which may indicate white spots on fingernails, a few white spots on fingernails or many white spots on fingernails, The Analyst™ will consider possibilities such as:

Leukonychia punctata (white spots) are a sign of pyroluria.

Concerned or curious about your health?  Try The Analyst™
Symptom Entry
Symptom Entry
Full Explanations
Optional Doctor Review
Review (optional)