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Ptosis (Droopy Eyelids) and Myasthenia Gravis: Causes and Treatment Options

Updated on September 21, 2026

Key Takeaways

  • Droopy eyelids, known as ptosis, are a common first sign of myasthenia gravis (MG), a condition where the immune system interferes with how nerves and muscles communicate.
  • In MG, antibodies attack the connection between nerves and muscles, causing the eyelid muscles to weaken and droop, and about 15 out of 100 people with MG will only ever experience eye-related symptoms like this. Treatment options range from medications that help nerves and muscles communicate better, to immune system therapies, and sometimes surgery, though what works for one person may not work for another.
  • Talking with your healthcare provider about your specific symptoms and goals is an important step toward finding a treatment plan that works for you, and in the meantime, simple home strategies like cold compresses, eye patches for double vision, and planned rest may help you manage day to day.
  • View all takeaways

Do people often say you look tired because of your eyes? Droopy eyelids, known as ptosis, are a common symptom of myasthenia gravis (MG). In fact, about half of all people with MG experience an eye problem as a first sign of their condition.

Fifteen percent of people with diagnosed MG will only ever have eye symptoms such as ptosis. This is called ocular myasthenia gravis. Ocular MG exclusively weakens the muscles that control movement of the eyeballs and upper eyelids.

Here’s what you need to know about what causes ptosis and how to treat it. You’ll also see some pictures of drooping eyelids and pictures of ocular myasthenia gravis.

Side-by-side illustration comparing a normal eyelid with ptosis, showing one upper eyelid drooping lower and partially covering the pupil.

If you have ptosis, your eyelids fall, making it look like your eyes aren’t fully open. Ptosis can affect one or both eyes. (Adobe Stock)

Unequal eyelids in a person with light skin, with one upper eyelid drooping and narrowing the eye opening, consistent with ptosis seen in myasthenia gravis.

In myasthenia gravis, eye muscles get tired easily because immune system antibodies damage the connection between nerves and muscles, causing droopy eyelids. (CC-BY-2.0/M. Kurukumbi, et al.)

What Causes Ptosis in Myasthenia Gravis?

In myasthenia gravis, antibodies (proteins that are part of the body’s immune system) attack the area where the nerves and muscles communicate. This affects how well those nerves and muscles can transmit messages, which can make those muscles lose strength and not work the way they should.

People living with myasthenia gravis may find that their muscles get weaker when they’ve used them a lot, then get better after they rest for a while, which is called fatigable weakness. Thus, muscle function can change.

Extraocular muscles and eyelid muscles keep the eyelids open so we can see, which means they’re constantly active when we’re awake. If the nerves can’t communicate well with these muscles, the eyelid may droop.

It’s important to note that people living with ocular MG don’t always experience weakness in other parts of their body. If a person starts having symptoms that affect more than just their eyes and vision, they’re said to have generalized MG.

How Is Ptosis in Myasthenia Gravis Diagnosed?

The diagnostic process usually begins with a thorough history and exam, where a healthcare provider looks for signs like tiredness, double vision, and weakness in facial muscles.

They may also include tests for acetylcholine receptor (AChR) and antimuscle-specific tyrosine kinase (MuSK) antibodies and perform bedside fatigue assessments, ice pack tests, and electrodiagnostic studies if necessary.

What Treatment Options Are Available for Ptosis in Myasthenia Gravis?

If you’re experiencing eyelid drooping caused by MG, take heart: It can be treated with the same medications used for MG-related muscle weakness in other parts of your body, or sometimes with surgery.

Medication options for droopy eyelid treatment include options that help the muscles and nerves communicate better and ones that affect how the immune system works.

Cholinesterase Inhibitors

Cholinesterase inhibitors like pyridostigmine (Mestinon) help make sure there’s enough acetylcholine to help muscles contract.

Pyridostigmine can slow the body’s breakdown of acetylcholine, an important chemical that helps nerves communicate with muscle cells.

Corticosteroids

Corticosteroids (steroids) like prednisone can reduce the harmful effects of the immune system in MG. Corticosteroids work by blocking the immune system from producing damaging antibodies — immune proteins that identify infected cells and tag them for destruction.

Because corticosteroids reduce the amount of antibodies in general, they lead to a higher risk of infections as well as other side effects such as bone thinning, weight gain, and diabetes.

Immunosuppressants

Medicines such as azathioprine and mycophenolate mofetil can also improve MG symptoms by changing aspects of the immune system. Immunosuppressants may be prescribed with corticosteroids.

Newer Medications

If other medications don’t work well for your myasthenia gravis, your healthcare provider may recommend trying a newer drug. Medications approved in the past few years by the U.S. Food and Drug Administration (FDA) to treat generalized MG include:

In addition, use of efgartigimod (Vyvgart/Vyvgart Hytrulo) was expanded in 2026. People living with MG can now use efgartigimod regardless of their antibody status.

Surgery

Surgery could be an option if a tumor called a thymoma is present on your thymus gland. It may also be an option if you’re living with generalized MG and your blood tests are positive for AChR antibodies, which may lead to MG.

The surgical removal of the thymus is known as a thymectomy. It can offer several benefits, such as improving muscle weakness and reducing the need for medication. However, a thymectomy isn’t a standard treatment if MG only affects your eyes.

If your ptosis doesn’t go away with medication, your ophthalmologist (eye disease specialist) might also recommend eye surgery such as eyelid elevation or lifting.

“Pyridostigmine didn’t work for me,” said one MGteam member. “I had to have the ptosis surgery to keep the eyelid up.”

Because MG varies from person to person, it’s important to discuss your treatment options, including risks and benefits, with your doctor. Make sure your doctor understands your goals and preferences so you can work together to find a treatment plan that suits you.

What Can You Do at Home To Help With Ptosis?

It may take time for you and your healthcare provider to find the combination of medications that works best for your drooping eyelids. Here are a few steps you can take at home to manage ptosis.

Cold Therapy

Ice packs and cold compresses can provide temporary relief for your drooping eyelids. Cooling the area around your eyelid for no more than 20 minutes can help your nerves and muscles communicate better for a short time, though it doesn’t treat MG directly.

An MGteam member shared, “When my eyes fatigue, I put cold compresses on them for about 15 minutes, and this seems to help me.”

Eye Coverings

Some people with one drooping eyelid might have double vision. A member of MGteam shared their experience: “It was one of the first symptoms I had along with drooping eyelids. It’s gone for the most part, but I still get it sometimes.”

Another member said, “I occasionally have double vision, especially when I’m fatigued.”

Light-skinned hand shown with overlapping duplicate outlines of the fingers and wrist, illustrating the blurred, doubled appearance of double vision.
In addition to ptosis, myasthenia gravis may cause eye symptoms like double vision — seeing two images instead of one. (Adobe Stock)

You can buy an eye patch to block one image if you’re seeing double, though it won’t help a droopy eyelid. If you wear glasses, you may also cover one lens of the eyeglasses to manage your double vision.

Rest

Another home remedy to help with ptosis doesn’t require spending any money. Finding ways to make the most of your energy may help. As one MGteam member mentioned, “Rest is the one prescription I forgot to take.”

Plan demanding activities for when you have the most energy. It’s also important to let yourself rest to lessen stress on your body.

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A MGteam Member

I ask ChatGPT for some exercise for droopy eye lids. Gave me about 4 exercises I could try, but was not to encouraging.

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