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Red Flags

Incorrect Diagnosis Study

To see a description (Rudick et al., 1986) of ten patients mis-diagnosed with MS, and the findings that pointed to the need for an alternative explanations of their symptoms and medical findings, click here.


Red flags for other diagnoses

  • Normal MRI
  • No abnormal findings on neurological exam
  • Bilateral vision loss
  • Peripheral neuropathy
  • Rigidity; sustained dystonia
  • Seizures
  • Headache
  • Early dementia
  • Abrupt onset of symptoms
  • Cortical deficits (aphasia, apraxia, alexia, neglect)
  • Intractable hiccups
  • Onset before age 10 or after age 50

Additional resources


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