Effects of cisapride on constipation due to a neurological lesion.

Two patients with intractable constipation and an atonic bladder due to a partial spinal cord lesion and sacral nerve lesion are described. Treatment with cisapride (4 x 10 mg daily) was undertaken. After a few days the stool passed spontaneously. The effect was dose-dependent and has been maintained for at least 40 months. Normal bladder function was not achieved.