Missing Outer Third Of Eyebrows

What Causes Missing Outer Third Of Eyebrows?

Missing outer third of eyebrows 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 missing outer third of eyebrows, 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 "missing outer third of eyebrows" as a symptom.  For example, hypothyroidism.

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:
elevated TSH
moderate afternoon/evening fatigue
poor cold weather tolerance
major fatigue for 3-12 months
moderate unexplained weight gain
frequent postprandial somnolence
major swelling at front of neck
bags under eyes
minor joint pain/swelling/stiffness
yellow/yellowish fingernails
having non-scalp scaly/flaky skin
brittle fingernails
... 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 missing outer third of eyebrows.

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.

In the Eyes/Ocular Symptoms section of the questionnaire, The Analyst™ will ask the following question about missing outer third of eyebrows:
Does the outside 1/3 of your eyebrow area have little or no hair growth? In other words, do your eyebrows fail to extend out to edge of your eyes?
Possible responses:
→ No / don't know
→ Yes
Based on your response to this question, which may indicate missing outer third of eyebrows, The Analyst™ will consider possibilities such as Hypothyroidism.