Vomiting

Vomiting (or emesis) is the forceful expulsion of the contents of one's stomach through the mouth. Although it probably evolved as a mechanism for expelling ingested poisons, vomiting may result from many causes not related to poisoning, ranging from gastritis to brain tumors, or elevated intracranial pressure (ICP). The feeling that one is about to vomit is called nausea. It usually, but not necessarily, precedes vomiting, nor does it always lead to vomiting. Antiemetics are sometimes necessary to suppress nausea and vomiting.

Related Topics:
Stomach - Poison - Gastritis - Brain tumor - Nausea - Antiemetic

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The medical branch investigating vomiting, emetics and antiemetics is called emetology.

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