Myasthenia gravis (say "MI-ess-thin-e-a GRAH-viss") is muscle weakness that often gets better when you rest and gets worse with activity. You can start the day feeling strong, but after a little activity, you find yourself feeling weak. It may be hard to talk or to keep your eyes focused, and your eyelids may droop.
This problem starts when the immune system attacks the body's own muscle cells. The immune system is supposed to fight off viruses and other germs, but sometimes it turns on the person's own body. (This is called autoimmune disease.) Myasthenia gravis most often affects the muscles that control eye and facial movement and those that help us chew and swallow.
Your doctor may prescribe medicine that can help improve your muscle weakness. He or she may recommend that you have surgery to remove the thymus gland, which may improve your immune system problem and help you regain your strength. There are other treatments that can help if you have repeated periods of weakness. With treatment and home care, you may be able to keep your strength and lead a normal life.
Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor or nurse call line if you are having problems. It’s also a good idea to know your test results and keep a list of the medicines you take.
Call 911 anytime you think you may need emergency care. For example, call if:
Watch closely for changes in your health, and be sure to contact your doctor or nurse call line if:
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Current as of:
February 19, 2016
Adam Husney, MD - Family Medicine
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