Nausea causes an uneasy or unsettled feeling in your stomach, coupled with an urge to throw up or vomit. Nausea, vomiting, and/or an upset stomach are symptoms for many causes or conditions. Some possible causes of your nausea, throwing up and/or upset stomach may be:1  giardia. 2  bulimia.3  gastritis. 4  listeriosis. 5  hemophilia.6  peptic ulcer.ausea, vomiting, and/or an upset stomach are symptoms for many causes or conditions. Some possible causes of your nausea, throwing up and/or upset stomach may be: 1  giardia. 2  bulimia. 3  gastritis. 4  listeriosis. 5  hemophilia. 6  peptic ulcer.
Additional symptoms of neurogenic bowel include: 1  Abdominal distension. 2  Respiratory compromise. 3  Early satiety. 4  Nausea. Evacuation difficulty.  Unplanned 1  evacuations. Rectal bleeding. 2  Diarrhoea. Constipation.  Pain.
SPINAL CORD INJURY. A spinal cord injury may interrupt communication between the nerves in the spinal cord that control bladder and bowel function and the brain, causing incontinence. This results in bladder or bowel dysfunction that is termed neurogenic bladder or neurogenic bowel..