What you're experiencing sounds really frustrating, especially when you're still waiting on a diagnosis. The good news is that what you're describing — fatigue that's noticeable but manageable, and worse in heat — is very consistent with how myasthenia gravis affects people.
Muscle fatigue with MG exists on a wide Show Full Answer
What you're experiencing sounds really frustrating, especially when you're still waiting on a diagnosis. The good news is that what you're describing — fatigue that's noticeable but manageable, and worse in heat — is very consistent with how myasthenia gravis affects people.
Muscle fatigue with MG exists on a wide spectrum. Some people find it annoying but workable, while others describe it as completely debilitating. One MGteam member described it as feeling like energy "drains out" of their body, saying "if I don't lie down, I'll fall down." Others manage day-to-day with adjustments. There are actually two types of fatigue worth knowing about:
- Early fatigue — gets worse the more you use a muscle, even small ones like eye muscles
- Chronic fatigue — long-lasting tiredness not necessarily tied to activity or muscle weakness
Heat and humidity are known to make MG symptoms worse because high temperatures interfere with nerve-to-muscle communication, which MG already disrupts.
Some tips to manage heat-related fatigue:
- Stay in air-conditioned spaces when possible
- Take cooler or shorter showers
- Drink cold beverages
- Avoid strenuous activity that raises body temperature
Tracking when your fatigue is worst and sharing that with your doctor can really help guide your diagnosis and treatment plan.
July 22
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