Autonomic dysreflexia in high spinal cord-injured can be initiated by a full bladder or bowel, or when trying to empty either. This randomised study aims at evaluating whether irrigation procedure or digital stimulation or evacuation of the rectum is less provocative of autonomic dysreflexia. Participants have their bowels emptied on different days, in the morning fasting. Bladder filling with sterile saline water is evaluated on a third day as a control.

Inclusion Criteria:

1. People with a spinal cord injury above th6 and with symptoms of autonomic dysreflexia.
2. At least one year post injury.
3. 18 years or older.
4. Informed consent.

Exclusion Criteria:

1. Usage of prophylactic anti-autonomic dysreflexia medication.
2. Pregnant or breastfeeding.
3. People who is not able to follow the sudy protocol.
4. No former major surgery in the abdomen or pelvic region.
5. No former radiotherapy in the pelvic region.