From WikiLectures

Nausea is a subjective unpleasant feeling, feeling like vomiting or immediate urge to vomit, often has an extreme characteristics. An exact mechanism is not properly known. It is coordinated from higher centers in cerebral cortex (in contradiction to vomiting which has its centers in medulla oblongata). Vomiting accompanies nausea often, however, it isn't a rule.

Based on the clinical examination, nausea can be divided to:

Anamnesis-speaking, it is necessary to find out the period how long does the nausea occur, beginning of symptoms (acute or slowly increasing), prior or post per oral intake, medication influence, other symptoms (vomiting, abdominal pain, diarrhea, constipation, diplopia, eye vision problems).

Searchtool right.svg For more information see Vomiting.

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  • LUKÁŠ, Karel – ŽÁK, Aleš, et al. Disease signs and symptoms :  76 selected signs, symptoms and some important laboratory indicators in 62 chapters with prologue and epilogue. 1. edition. Prague : Grada, 2010. 520 pp. pp. 217−223. ISBN 978-80-247-2764-6.