Neurogenic bowel occurs when the body has problems storing and removing stool from the intestines. It happens due to a problem with the nervous system.
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Digestion is partly managed by messages sent between the brain and digestive system. These messages are sent through nerves. Damage to these nerves can cause messages between the brain and digestive system to be blocked. This prevents the bowels from working properly.
The spinal cord runs from the base of the brain to the lower back. There are two main types of neurogenic bowel, depending on the location of damage in the spine.
This happens when there is damage around the neck or chest. Messages between the colon and the brain are blocked. A person may not feel the need to have a bowel movement. However, stool is still building up in the rectum. The build-up triggers a reflex. This causes the rectum and colon to react, leading to a bowel movement without warning.
This happens when there is damage around the lower end of the spinal cord. When lower nerves are damaged, a person is unable to feel when a bowel movement is needed. The reflex may also be reduced. The rectum has a difficult time emptying stool. This can lead to constipation.
Problems may be:
- Trouble having a bowel movement
- Repeated bowel accidents
- A swollen belly
- Feeling full quickly
- Loose stools or very hard stools
- Bleeding from the rectum
- Belly pain
The doctor will ask about your symptoms and health history. A physical exam will be done. A rectal exam may also be done.
Your waste products may be tested. This can be done with stool tests.
The goal of treatment is to manage symptoms. Choices are:
- A bowel program to regularly remove stool
- Dietary changes to improve stool consistency
- Medicines to increase stool bulk or make stool pass more easily
People who are not helped by these methods may need surgery. An opening may be made to the surface of the body. This will allow stool to exit.
National Association for Continence http://www.nafc.org
United Spinal Association http://www.unitedspinal.org
HealthLink BC http://www.healthlinkbc.ca
Canadian Spinal Research Organization http://www.csro.com
Cotterill N, Maderbacher H, et al. Neurogenic bowel dysfunction: Clinical management recommendations of the Neurologic Incotinence Committee of the Fifth International Consultation on Incontinence 2013. Neurourol Urodyn. 2017; doi: 10.1002/nau.23289.
Neurogenic bowel. Cedars Sinai website. Available at: https://www.cedars-sinai.org/health-library/diseases-and-conditions/n/neurogenic-bowel.html. Accessed January 26, 2021
Spinal cord injury—chronic management. EBSCO DynaMed website. Available at: https://www.dynamed.com/management/management-of-chronic-spinal-cord-injury. Accessed January 26, 2021.
Sweis R, Biller J. Systemic Complications of Spinal Cord Injury. Curr Neurol Neurosci Rep. 2017 Feb;17(2):8.
- Reviewer: EBSCO Medical Review Board Rimas Lukas, MD
- Review Date: 12/2020
- Update Date: 01/26/2021