Nausea and Vomiting »
Introduction to nausea and vomiting
Nausea and vomiting are symptoms of an underlying disease and not a specific
illness. Nausea is the sensation that the stomach wants to empty itself, while
vomiting (emesis) or throwing up, is the act of forcible emptying of the
stomach.
Vomiting is a violent act in which the stomach has to overcome the pressures
that are normally in place to keep food and secretions within the stomach. The
stomach almost turns itself inside out - forcing itself into the lower portion
of the esophagus (the tube that connects the mouth to the stomach) during a
vomiting episode.
What causes nausea or vomiting?
There are numerous causes of nausea and vomiting. These symptoms may be due
to the following:
- acute gastritis
- central causes (signals from the brain)
- association with other illnesses remote from the stomach
- medications and medical treatments
...
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My dad (73) has been diagnosed with a grade 4 brain tumor. He had his biopsy, and it is the worst form he could have. He had a small dose of radiation therapy, more for quality of life than to ease the swelling. Nothing more can be done for him, and we are still in shock as our dad had no previous symptoms. He was rarely sick. He did have stroke-like symptoms that were diagnosed when he went to the doctor, but as the symptoms got worse, his doctor referred him to the hospital. In his case, he did not suffer with any pain or headaches. So it goes to show, symptoms are not always present. Published: November 24 ::