Myasthenia Gravis

What Causes Myasthenia Gravis?

In order to hopefully treat and prevent recurrence of myasthenia gravis we need to understand and — if possible — remove the underlying causes and risk factors.  We need to ask: "What else is going on inside the body that might allow myasthenia gravis to develop?"

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Accurate diagnosis of the factors behind myasthenia gravis consists of three steps:

Step 1: List the Possible Causative Factors

Identify all disease conditions, lifestyle choices and environmental risk factors that can lead to myasthenia gravis.  Here are two possibilities:
  • Autoimmune Tendency
  • Thymoma

Step 2: Build a Symptom Checklist

Identify all possible symptoms and risk factors of each possible cause.

Step 3: Rule Out or Confirm each Possible Cause

A differential diagnosis of your symptoms and risk factors finds the likely cause of myasthenia gravis:
Cause Probability Status
Autoimmune Tendency 96% Confirm
Thymoma 53% Possible
* 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 having muscle problems / disease, The Analyst™ will ask further questions including this one:
Do you have Myasthenia Gravis?
Possible responses:
→ Don't know
→ No
→ Probably, it has been suggested by a doctor
→ Mild / Moderate
→ Severe
Based on your response to this question, which may indicate absence of myasthenia gravis, suspected myasthenia gravis or myasthenia gravis, The Analyst™ will consider possibilities such as:
Autoimmune Tendency

About 5-10% of patients with myasthenia gravis also have other autoimmune diseases.


About 15% of patients with myasthenia gravis are found to have a tumor of the thymus gland, known as a thymoma.  Most thymomas are benign.  Also, about 50% of patients with thymoma are found to have myasthenia gravis.

Concerned or curious about your health?  Try The Analyst™
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