Nausea
Also Known As: Nausea, Queasy
Nausea (Latin nausea, from Greek ναυσίη, nausiē, "motion sickness", "feeling sick," "queasy" or "wamble"), is a sensation of unease and discomfort in the upper stomach with an involuntary urge to vomit. It often, but not always, precedes vomiting. A person can suffer nausea without vomiting.
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