| nausea | <symptom> An unpleasant sensation, vaguely referred to the epigastrium and abdomen and often culminating in vomiting. Origin: L., Gr. Nausia = seasickness (18 Nov 1997) |
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| nausea gravidarum | <obstetrics> Recurrent nausea and vomiting often seen in the first 12 weeks of pregnancy and more pronounced in the mornings. Synonym: hyperemesis gravidarum. (27 Sep 1997) |
| epidemic nausea | Virus caused by Norwalk virus, a 27 nm RNA virus in the family Caliciviridae frequently occurring in a group of people (e.g., in a school or small community) suddenly and without prodromal illness or malaise, is intense while it lasts, but ceases abruptly after a few hours or a day or so; symptoms are headache, abdominal pain, giddiness, and diarrhoea in most of the cases, and extreme prostration in about 75%. Synonym: epidemic nausea. (05 Mar 2000) |