Gastrointestinal disorders were the most common initial symptoms.
[bmcneurol.biomedcentral.com]
We present a previously healthy 24-year-old female patient, who developed a loss of accommodation, pupillotonia, lacrimation, swallowing disturbances, gastrointestinal symptoms
[ncbi.nlm.nih.gov]
symptoms (abdominal pain, vomiting, constipation, diarrhea, gastroparesis, ileus), orthostatic hypotension, erectile dysfunction, urinary frequency, urgency or retention,
[orpha.net]