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.
Although small, these glands dictate much of what happens in your body. Signs and symptoms of neuroblastoma vary depending on what part of the body is affected. Neuroblastoma in the abdomen â the most common form â may cause signs and symptoms such as: 1  Abdominal pain. 2  A mass under the skin that isn't tender when touched.  Changes in bowel habits, such as diarrhea or constipation.