The Five Senses and Beyond: the Encyclopedia of Perception by Hellier Jennifer L.;

Author:Hellier, Jennifer L.;
Language: eng
Format: epub
ISBN: 4717676
Publisher: ABC-CLIO, LLC

NAUSEA

Nausea is the sensation of discomfort in the upper stomach that gives a person the feeling or the urge to vomit. Vomiting is the action of expelling the contents of the stomach through the mouth. Typically one feels queasy prior to vomiting; however, it is not uncommon to vomit without experiencing nausea. By itself, nausea is not debilitating unless there is a prolonged feeling of nausea.

Causes

Nausea is a nonspecific symptom and can have many causes. These causes include but are not limited to (1) food poisoning, (2) pregnancy, (3) side effects of medication, (4) anxiety, (5) stress, (6) depression, and (7) motion sickness. The two most common causes are gastrointestinal infections and food poisoning.

Food poisoning occurs when bacteria in the food one eats produces toxins, which can cause a very abrupt and sudden onset of nausea and vomiting. Nausea, or morning sickness, is commonly caused by pregnancy usually in the early stages (the first three months or trimester). Nausea from pregnancy and many other causes is usually mild and does not require treatment.

However, there are some cases of nausea that do require immediate attention, but these cases come with more often severe symptoms. These cases include but are not limited to (1) appendicitis, where the appendix becomes inflamed or infected: (2) a brain tumor; (3) a heart attack; (4) meningitis, where the meninges (protective covering that surrounds the central nervous system) becomes infectious; (5) hepatitis, an illness of the liver; and (6) carbon monoxide poisoning.

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