A case of postganglionic cholinergic dysautonomia.

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Abstract
A 24 year old female presented with signs and symptoms of postganglionic cholinergic autonomic dysfunction manifested by impaired lachrymation and salivation, mydriasis of the pupil, decreased gastrointestinal motility, atony of the bladder, and sweating and taste disturbance. Clinical and pharmacological studies confirmed that the abnormalities were restricted mainly to the postganglionic cholinergic autonomic systems. The titre of serum complement was low, antinuclear antibodies revealed a diffuse pattern, and anti SS-A antibody was positive, suggesting that this disorder was caused by an immune mechanism.