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Living with Myasthenia gravis

Information, shared experiences and research connections for people living with myasthenia gravis and those who support them.

Understanding Myasthenia gravis

Myasthenia gravis (MG) is a long-term autoimmune condition in which the immune system disrupts signals between nerves and muscles, causing weakness in the muscles you control.

Weakness often starts around the eyes, tends to come and go, usually gets worse with activity and better with rest, and can begin at any age.

Signs & symptoms

MG symptoms vary from person to person and can change from day to day. They may include:

  • Drooping eyelids
  • Blurred or double vision
  • Changes in facial expression
  • Trouble speaking, chewing or swallowing
  • Weakness in the arms, legs or neck
  • Shortness of breath

Tell your care team about new or changing symptoms.

Diagnosis

  1. Exam and history

    A neurological exam checks muscle strength, eye movements and how muscles tire with use.

  2. Blood tests

    Blood tests can look for antibodies linked to MG, such as acetylcholine receptor or MuSK antibodies.

  3. Nerve and muscle tests

    Tests such as repetitive nerve stimulation or single-fiber EMG measure how well signals pass from nerve to muscle.

Care & treatment

Monitoring
Regular visits help track symptoms, which can change over time; some people go into remission.
Treatment
Options can include medicines that improve nerve-to-muscle signals or calm the immune system, treatments that filter or replace antibodies, and for some people, surgery to remove the thymus gland.
Your plan
Sudden trouble breathing or swallowing can be an emergency called myasthenic crisis, so ask your care team what to do if it happens.

Discuss benefits, risks and follow-up with your care team.

Everyday life

Because MG symptoms can change, simple notes can help you and your care team.

  • Track when weakness is better or worse, such as time of day, activity, rest or illness.
  • Keep an up-to-date list of all your medicines, since some medicines can make MG symptoms worse.
  • Write down infections, surgeries or stressful events, which can sometimes trigger a flare.
Bring these questions to your next doctor visit
What type of MG do I have, and what did my antibody tests show?
Which medicines should I avoid, or check with you before taking?
What signs of a myasthenic crisis mean I should get emergency help?
Sources: NIH GARD — Myasthenia gravis · NINDS — Myasthenia gravisPage drafted from NIH sources · Know Rare editorial review pending. General information to support conversations with your care team.

Explore research for Myasthenia gravis

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  • Phase 3 studies first, with nearest research center
  • Study information from ClinicalTrials.gov
  • Eligibility is confirmed by the study team

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Powered by HealthSpark, our AI chat helper · Study information from ClinicalTrials.gov · Eligibility is confirmed by the study team.

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