What is the Cause of Long-Term Fatigue?

What Causes Long-Term Fatigue?

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

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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
Anemia
Low DHEA
Pulmonary Fibrosis
Chronic Fatigue-Fibromyalgia
Lupus (SLE)
Adrenal Fatigue
Cancer In General

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:

major inflamed cuticles

poor tolerance of heat

history of lupus

moderate morning stiffness

having foamy urine

hypoglycemia

low energy/stamina

dark urine color

low hemoglobin levels

regularly feeling unusually cold

very pale fingernails

multiple swollen inguinal nodes

... and more than 150 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
Cancer In General	98%	Confirm
Anemia	19%	Unlikely
Adrenal Fatigue	17%	Unlikely
Immune System Imbalance	4%	Ruled out
Low DHEA	1%	Ruled out
Lupus (SLE)	0%	Ruled out
Chronic Fatigue-Fibromyalgia	0%	Ruled out
Pulmonary Fibrosis	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:

Allergy to Foods (Hidden)

Anemia

Cancer, General

Chronic / Hidden Infection

Chronic Fatigue / Fibromyalgia Syndrome

Hypothyroidism

Immune System Imbalance (TH2 Dominance)

Low Adrenal Function / Adrenal Insufficiency

Low DHEA Level

Lupus, SLE (Systemic Lupus Erythematosus)

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

Pulmonary Fibrosis