Nausea is the feeling of having a push to vomit. Vomiting is forcing the inside contents of the stomach up from the esophagus and out from the mouth. Nausea is also known as emesis, Vomiting, Stomach upset or Upset stomach. Generally nausea is not life-threatening. But, prolonged nausea, which causes continuous vomiting may results to dehydration or sometime even shock. Nausea is a common name describing a sick stomach, with or without the sensation of about to vomit. Approximately each person experiences nausea at some time in their life. Nausea is not a syndrome, but an indication of numerous different problems.
Nausea is caused by troubles in any one of three division of the body, including:
Abdominal and pelvic organs
Many unusual abdominal situations can cause nausea like inflammation of the liver (hepatitis) or pancreas (pancreatitis); a blocked or expanded intestine or abdomen; gastroesophageal reflux, Pain in stomach or irritation in intestinal line, appendix or pelvic organs, swelling of the kidney, gallbladder troubles, constipation and normal menstruation.
Brain and spinal fluid
Nausea is frequent with migraine headaches, head injury, bleeding, brain tumors, stroke into or about the brain and meningitis.
Balance centers in the inner ear
Nausea can be connected to vertigo, a dizzy feeling of rotating, moving or falling when you are not moving. Common circumstances that can cause vertigo are motion illness (triggered by frequent movements in diverse directions within a car, plane, boat, train or amusement ride). Viral infections of the inner ear, sensitivity to location change and certain brain or nerve tumors generally results nausea.