Your personal health guide for Myasthenia Gravis

What is Myasthenia Gravis?

Myasthenia gravis (MG) is a chronic autoimmune disorder that affects the voluntary muscles of the body, particularly those controlling the eyes, mouth, throat, and limbs. In this condition, antibodies disrupt the communication between nerves and muscles, leading to skeletal muscle weakness. The impact on these muscles can significantly influence a person's daily life and functioning. 



Myasthenia gravis is neither an inherited condition nor a contagious disease. Myasthenia gravis can occur at any age, though certain types are more prevalent in specific age groups. Early-onset MG is more common in younger women (20-40), while late-onset MG more frequently impacts older men (55-70). This autoimmune attack interferes with the chemical signals necessary for muscle contraction, leading to the characteristic muscle weakness and fatigue associated with the condition.

What are the most common symptoms?

The onset of myasthenia gravis symptoms is often sudden, with muscle weakness typically increasing during periods of activity and improving with rest. Symptom intensity can fluctuate daily, with most individuals experiencing peak strength in the morning and increased weakness by evening.

Common symptoms include:

• Visual problems such as drooping eyelids (ptosis) and double vision (diplopia)
• Rapid muscle fatigue
• Facial muscle weakness leading to a mask-like appearance
• Difficulty swallowing or speaking, and weakness in the neck or limbs

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