Features atypical for multiple sclerosis were hypoactive deep-tendon reflexes, electromyographic evidence of peripheral neuropathy, and severe constipation.
[ncbi.nlm.nih.gov]
In its acute manifestation, patients may suffer from persisting nausea, vomiting attacks, severe epigastric abdominal and back pain lasting for several days, constipation,
[symptoma.com]