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Nausea is the queasiness or uneasiness one feels in the stomach, just before one feels the urge to vomit.
This condition can be short-lived, from a couple of seconds to a couple of minutes, or can be prolonged. If it is prolonged, it is incapacitating for the person and is a signal of a more serious condition festering underneath.
The uneasiness during nausea is usually felt in the upper abdomen, chest and back of the throat.
Nausea followed by vomiting is not a disease in itself, but the symptom of an underlying disorder, which can be physical or psychological. Nausea can also be a side effect of certain conditions, for example, chemical changes within the body. Very often the timing of nausea can reveal the cause.
Nausea can occur due to disorders such as:
Nausea can also result from:
It can be a side effect of :
The symptoms of nausea may vary from person to person depending on the various disorders and triggering conditions. Some associated symptoms of nausea include:
Depending on your medical history, and recent symptoms the doctor may advise you to undergo some tests such as blood tests, neurological tests, and also pregnancy tests if there are chances that you could be pregnant. The doctor will also check your blood pressure and do an abdominal examination if required.
For the proper diagnosis to be done, you need to mention to the doctor any emotional distress you may be experiencing, or any abnormal habits that you may have suddenly developed such as binge eating.
If you are a woman of childbearing age and are sexually active, you need to tell the doctor the last date of your menstrual period, as well as the kind of contraceptives you use, if you use any at all.
Usually, nausea disappears by itself unless there is a chronic underlying condition associated with it.
Prolonged nausea and persistent vomiting could lead to:
aspiration pneumonitis due to aspiration of the stomach contents into the lungs
In most cases, nausea resolves by itself. If treatment is required, it would be for the underlying cause of nausea.
Depending on your condition the doctor may suggest intravenous fluids, and medications to stop persistent vomiting.
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In pregnant women, nausea and vomiting during the first trimester signifies you have a lower chance of miscarriage, according to a study by the National Institute of Child Health and Human Development. And for non-pregnant people, it is said that vomiting is a way to get an infection out of your system, so stopping it can prolong your illness. That said, if vomiting is severe and causing additional issues, such as dehydration, you may need anti-nausea medicines.
Researchers at North Carolina State University have built a machine which helps them study the norovirus, which causes vomiting and diarrhea. A press release on the device stated that it looks like a "a glorified air compressor with a grotesque clay face." The barfing machine is aiding scientists to determine how the virus is transmitted.
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