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emetic

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emetic

1. causing vomiting
2. an emetic agent or drug
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

emetic

[i′med·ik]
(pharmacology)
Any agent that induces emesis.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Emetic

 

an agent that induces vomiting. Emetics are distinguished according to whether they act on the vomiting center in the brain (for example, apomorphine) or whether they irritate the mucous membrane of the stomach and reflexly excite the stomach’s vomiting center (ipecac or thermopsis). Emetics are used to counteract the effects of poisoning and to treat chronic alcoholism. For example, an injection of apomorphine combined with ingestion of alcohol leads to a conditioned reflex causing the taste and odor of alcohol to induce vomiting. When taken in small doses, emetics act as expectorants.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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Analysis of patients with nausea and vomiting showed that number of emetic episodes and frequency of nausea were much lower in Palonosetron group compared to Ondansetron group.
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Incidence of emetic episodes were also high in the study by Bhattacharya and Banerjee P (20% in Ondansetron group, 7% in Granisetron group and 50% in placebo), whereas the incidence of emetic episodes was less in the present study (6.6% in both groups).
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