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Conditions that mimic Myasthenia Gravis
Myasthenia gravis symptoms can mimic many other conditions, making it difficult to correctly diagnose Myasthenia gravis (MG), especially if one is only experiencing a few characteristic symptoms. Some conditions that share similar symptoms of MG include:
- ataxia
- acute inflammatory demyelinating polyradiculoneuropathy (AIDP)
- amyotrophic lateral sclerosis (ALS)
- basilar artery thrombosis causing a brainstem infarction or ischemia
- botulism
- bilateral Horner syndrome
- cavernous sinus syndromes
- diphtheria
- Guillain-Barré syndrome
- Kearns-Sayre syndrome
- lyme disease
- Miller-Fisher syndrome
- multiple sclerosis (MS)
- myelogenous leukemia
- myocardial infarction
- Oculopharyngeal dystrophy affecting the bulbar muscles
- progressive bulbar palsy
- progressive external ophthalmoplegia
- pulmonary embolism causing sudden difficulty breathing
- pseudobulbar palsy
- spinal cord infarction infection
- Tolosa-Hunt syndrome
- thyroid ophthalmopathy
Were you misdiagnosed with any of the above before receiving a correct MG diagnosis?
Vice versa, you could be suspected to have Myasthenia gravis, but actually have one of these other conditions, which could be very critical. This is why a correct MG diagnosis, commonly confirmed with blood tests, is essential, https://myastheniagravisnews.com/myasthenia-gravis-diagnosis/. Having MG without a proper diagnosis can be dangerous as many drugs can potentially trigger an MG crisis, https://nebula.wsimg.com/903ebe2c701eb4e72e3211dc9fb9064e?AccessKeyId=7F50FBE19A111D19DDAC&disposition=0&alloworigin=1.
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6 Replies
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My first Doctor said Ataxia but didn’t do anything, the Neurologist I’m seeing now has me on Pyridostigmine and it works.
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Ataxia is a symptim rather than an actual disease in and of itself.
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correct, this list is a combination of both diseases/illnesses and symptoms
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My Doctor was WRONG, it’s not Ataxia. My Neurologist said it is MG.
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My initial symptom was double vision. I was diagnosed with Fourth Nerve Palsy by my Opthamologist.
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I’m surprised that stroke isn’t on the list. Its common manifestation, diplopia, is often the first symptom to appear (as it was in my case and someone else’s here) when MG “starts”. So of course the ER docs thought (as did I) that I was having a stroke when I showed up.
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