Hey there 😀 We are glad to hear from you. Fluctuating energy levels are experienced by many individuals with MG, although all of a sudden change in energy is likely a response to an environment or circumstance change; if not sleep, as you mention, the cause could be stress, weather, infection, new medication recently, bright lights, or diet including vitamin deficiency. I would monitor your health for changes such as fever, coughing, shortness of breath, congestion, stiff neck, urination or bowel movement changes, skin changes, swollen lymph nodes, or nausea that could indicate the presence of an infection.
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What dose of mestinon are you currently taking, and how often? This could be a sign from your body that you need to increase the dose of current treatments or add another treatment. IVIG is used by many when symptoms are controlled with their current treatment regimen, but they need some extra help to control some unmanaged symptoms. Here are some articles with some ideas that could help you retain your energy levels: https://myasthenia-gravis.com/living/body-scanning, https://myasthenia-gravis.com/living/dont-waste-energy-stressing, https://myasthenia-gravis.com/living/minimalism, https://myasthenia-gravis.com/living/prioritizing-vitamins-minerals.
Jodi, Team Member