Fatigue Lasting 3 Months Or Longer

What Causes Long-Term Fatigue?

Long-term fatigue can have various causes, ranging in severity from 'needs attention' to 'life-threatening'.  Finding the true cause means ruling out or confirming each possibility – in other words, diagnosis.

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  • let The Analyst™ find what's wrong
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Diagnosis is usually a complex process due to the sheer number of possible causes and related symptoms.  In order to diagnose long-term fatigue, 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 "long-term fatigue" as a symptom.  Here are eight of many possibilities (more below):
  • Immune System Imbalance
  • Food Allergies
  • Urinary Tract Infection
  • Chronic Infection
  • Anemia
  • Chronic Fatigue-Fibromyalgia
  • Hypothyroidism
  • Sinusitis

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:
highly elevated lymphocyte count
gallbladder attacks
depression with some anxiety
incoherent speech
spacey/unreal feelings
very low hemoglobin levels
occasional sore throats
high refined white flour consumption
facial burning/tingling
severe diffuse bone pain
muscle pains in family members
regularly feeling unusually cold
... and more than 140 others

Step 3: Rule Out or Confirm each Possible Cause

A differential diagnosis of your symptoms and risk factors finds the likely cause of long-term fatigue:
Cause Probability Status
Immune System Imbalance 94% Confirm
Anemia 30% Unlikely
Hypothyroidism 13% Unlikely
Sinusitis 0% Ruled out
Chronic Infection 0% Ruled out
Urinary Tract Infection 0% Ruled out
Food Allergies 0% Ruled out
Chronic Fatigue-Fibromyalgia 0% 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 being fatigued, The Analyst™ will ask further questions including this one:
Have you experienced an episode of fatigue that lasted 3 months or longer?
Possible responses:
→ No / don't know
→ In the past only, now resolved
→ Yes, I have had minor fatigue for 3+ months now
→ Yes, I have had major fatigue for 3-12 months now
→ Yes, I have had major fatigue for over a year now
Based on your response to this question, which may indicate no long-term fatigue, long-term fatigue now resolved, fatigue for over 3 months, major fatigue for 3-12 months or major fatigue for over 12 months, The Analyst™ will consider possibilities such as:
Lupus, SLE (Systemic Lupus Erythematosus)

Prolonged or extreme fatigue is reported by 81% of lupus patients.

... and also rule out issues such as:
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