What Causes Ridges Across Fingernails?
Ridges across fingernails can have various causes, just like most other symptoms. 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 ridges across 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 "ridges across fingernails" as a symptom. Here are two possibilities:
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:
history of deformed toenails
darker/redder skin color
history of adolescent acne
non-human estrogen use
H2-blocker antacid use
abnormal taste in mouth
much reduced sense of taste
... and more than 30 others
Step 3: Rule Out or Confirm each Possible Cause
A differential diagnosis of your symptoms and risk factors finds the likely cause of ridges across fingernails:
* This is a simple example to illustrate the process
Arriving at a Correct Diagnosis
is our online diagnosis tool that learns all about you through a straightforward process of multi-level questioning, providing diagnosis at the end.
Do your fingernails have ridges or grooves going from side to side, across the direction of growth?
→ No / don't know
→ A few / minor
→ Many / pronounced
Based on your response to this question, which may indicate grooves across fingernails, The Analyst™
will consider possibilities such as:
|Nail abnormalities are a possible symptom of psoriasis.|