Myasthenia Gravis Treatment

Myasthenia Gravis is a condition that leads to weakness in the muscles of the eyes, face, throat, neck, and limbs. People with this condition may struggle with breathing, swallowing, vision, walking, and controlling different muscle movements. With proper medical care, patients can receive an accurate diagnosis and access various treatment options to help manage the condition.

Myasthenia gravis is a chronic autoimmune neuromuscular disorder in which the body produces antibodies that block signals between nerves and muscles. Symptoms fluctuate throughout the day, worsening with activity and improving after rest. While not curable, it is manageable, and most patients can significantly reduce symptoms with the right treatment plan.

Diagnosing Myasthenia Gravis

A doctor may use a myasthenia gravis blood test, neurological examination, and physical assessment to evaluate a patient for myasthenia gravis treatment. He or she may also request any of the following tests:

• Ice Pack Test: A doctor places an ice pack on a patient’s droopy eyelid for approximately 2 minutes, then removes it and checks for improvement.
• Repetitive Nerve Stimulation (RNS): Electrodes are attached to the patient’s skin and small pulses of electricity measure a nerve’s ability to emit a signal to a muscle.
• Single-Fiber Electromyography (EMG): An EMG assesses the electrical activity between a patient’s brain and muscle.

Multiple tests can be used to assess the skeletal muscles and muscle strength. The tests allow a doctor to determine if myasthenia gravis is the root cause of various symptoms and evaluate their severity.

If a doctor believes their patient is coping with the medical condition, a personalized myasthenia gravis treatment plan is developed. Patients dealing with broader skeletal muscle weakness may be diagnosed with generalized myasthenia gravis, while those with muscle contraction issues affecting the eyes may be diagnosed with ocular myasthenia gravis.

As part of the initial diagnostic process, thymus gland imaging is also performed to determine whether a thymoma is present, since the thymus plays a role in the autoimmune response seen in many MG patients.

Treatment for Myasthenia Gravis

Treatment for myasthenia gravis is tailored to each patient based on disease type, severity, age, and overall health. Research published in BioDrugs confirms that standard myasthenia gravis treatment does not achieve satisfactory improvement in 30 to 50 percent of patients, which is why ongoing evaluation and adjustment are so important.

Common generalized treatment options for myasthenia gravis include:

1. Myasthenia Gravis Medications

Myasthenia gravis treatment medications may help patients manage their symptoms. Medications used to treat myasthenia gravis include:

• Cholinesterase Inhibitors: Improve communication between nerves and muscles and enhance muscle contraction and strength, though they may cause diarrhea, nausea, and other side effects.
• Corticosteroids: Limit the production of antibodies that contribute to myasthenia gravis symptoms. Prolonged use may cause weight gain, diabetes, and other long-term health issues.
• Immunosuppressants: Support the immune system, though patients may need to take them for several months before noticing effects. Serious side effects include liver or kidney damage and infection.

Medications may be used as a starting point for myasthenia gravis treatment. If medications are ineffective or cause side effects, additional treatment options may be required. Steroid-sparing immunosuppressants are often introduced early to reduce dependence on prolonged steroid use and lower the risk of side effects such as high blood pressure, cataracts, and bone loss.

2. Intravenous (IV) Therapy

IV therapy may be used to provide short-term relief of myasthenia gravis symptoms. Some of the IV therapies available to myasthenia gravis patients include:

• Plasmapheresis: Removal of antibodies that block signals from the nerve endings to associated muscle receptor sites.
• Intravenous Immunoglobulin (IVIg): Addition of normal antibodies to the body.
• Monoclonal Antibody: The use of intravenous antibody medications for patients who did not respond to prior treatments.

Plasmapheresis rapidly lowers antibody levels and is particularly useful during a myasthenic crisis. IVIg typically begins to show improvement within a few weeks and the effect may last four to eight weeks.

3. Myasthenia Gravis Thymectomy

Myasthenia gravis thymectomy, a part of myasthenia gravis treatment, may be used to remove a tumor (thymoma) from the thymus gland. It can be performed as open or minimally invasive surgery, including video- and robot-assisted approaches.

Video-assisted thymectomy uses a long, thin camera (endoscope) and small instruments to remove a thymoma. Robot-assisted thymectomy uses a robotic system with a camera and mechanical arms.For patients with antibody-positive generalized MG who are under 65 and within the first two years of diagnosis, thymectomy has been shown to reduce the need for ongoing immunosuppressive medications.

How Is Ocular Myasthenia Gravis Treated?

Research indicates that immune suppression with steroids can be effective to help patients diagnosed with ocular myasthenia gravis. For these patients, steroid doses must be increased gradually. Otherwise, they face a high risk of a myasthenic crisis.

Ocular myasthenia gravis primarily causes drooping eyelids and double vision. While some patients remain in the ocular stage, approximately 80 percent will progress to the generalized form within two years, making early evaluation especially important.

Emerging Myasthenia Gravis Treatment Approaches

Beyond standard medications, targeted biological therapies including complement inhibitors and FcRn inhibitors are now available as add-on treatment for patients who do not respond adequately to standard care. These therapies represent a shift toward more individualized myasthenia gravis management, particularly for patients with high disease activity. Patients experiencing facial nerve weakness alongside other neurological symptoms may benefit from a specialist evaluation that addresses both dimensions of the condition. 

Myasthenia Gravis vs Bell’s Palsy

Both myasthenia gravis and Bell’s palsy can cause facial weakness, which sometimes leads patients to wonder whether their symptoms point to one condition or the other. Bell’s palsy results from facial nerve inflammation and typically produces sudden one-sided weakness that often resolves on its own within weeks to months. Myasthenia gravis is a chronic autoimmune condition that causes broader, fluctuating muscle weakness throughout the body, including the face, and requires ongoing management. Getting the correct diagnosis early matters because the treatment path for each condition is entirely different. For a closer look at how these two conditions compare, see our detailed guide on myasthenia gravis vs Bell’s palsy.

Which Myasthenia Gravis Treatment Will Restore Muscle Strength?

People with myasthenia gravis can undergo any of the aforementioned treatment options to restore muscle strength. However, effectiveness varies based on the patient. It is essential to pursue treatment at the onset of symptoms to receive a proper diagnosis and address symptoms before they escalate.

Consulting a Specialist for Myasthenia Gravis Treatment

To treat myasthenia gravis, it is important to consult with an expert facial plastic and reconstructive surgeon. In doing so, a patient can receive a full evaluation and custom treatment recommendation.

Dr. Babak Azizzadeh of the Facial Paralysis Institute is globally recognized for his facial plastic and reconstructive surgery and head and neck surgery expertise. For patients experiencing myasthenia gravis facial weakness, Dr. Azizzadeh provides an integrated evaluation that considers how the condition affects facial movement, nerve function, and overall quality of life. He is available to assist patients who have been diagnosed with myasthenia gravis or are considering treatment options. To schedule a consultation with Dr. Azizzadeh, please contact us online or call us today at (310) 657-2203.

Frequently Asked Questions About Myasthenia Gravis Treatment

What is the most common treatment for myasthenia gravis? The most commonly used initial treatments are cholinesterase inhibitors and corticosteroids. Many patients also use long-term immunosuppressants to maintain stability.

Can myasthenia gravis cause facial weakness? Yes. Myasthenia gravis frequently affects the muscles of the face, eyelids, and throat, causing drooping eyelids, changes in expression, or difficulty chewing and swallowing.

What is the difference between ocular and generalized myasthenia gravis? Ocular MG affects only the eye and eyelid muscles. Generalized MG involves broader muscle groups including those needed for breathing and swallowing. Approximately 80 percent of ocular MG patients develop the generalized form within two years.How is myasthenia gravis different from Bell’s palsy? Bell’s palsy produces sudden one-sided facial weakness from nerve inflammation and often resolves without treatment. Myasthenia gravis causes chronic, fluctuating, broader muscle weakness. A specialist evaluation is the most reliable way to distinguish between them.