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Nausea and vomiting facts

• Nausea and vomiting are symptoms of a disease or condition. The underlying cause of the illness causing nausea and vomiting should be identified and treated.
• Nausea and vomiting symptom control is important both for comfort's sake and to prevent dehydration.
• Dehydration can worsen nausea and vomiting.
• Medication may be available to control symptoms of nausea and vomiting.

Introduction to nausea and vomiting

Nausea and vomiting are symptoms of an underlying illness and not a specific disease. Nausea is the sensation that the stomach wants to empty itself, while vomiting (emesis) or throwing up, is the act of forcible emptying of the stomach. The term "dry heaves" refers to an episode of vomiting where there is no food in the stomach to vomit, and only clear secretions are vomited.

Vomiting is a violent act in which the stomach almost...

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