1 Definition of Emesis

Meaning of Emesis: Emesis is the forceful expulsion of stomach contents through the esophagus and mouth; it is another term for vomiting.

Emesis is the forceful ejection of some or all stomach contents upward through the esophagus and out of the mouth. It is another term for vomiting and can result from infections, medicines, motion sickness, migraine, pregnancy, gastrointestinal disease, and many other causes. Emesis is distinct from nausea, which is the feeling that vomiting may occur.

Also known as

throwing upvomiting

Used in a sentence

The patient developed emesis several hours after receiving the medication.

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Good to know

Persistent emesis can lead to dehydration and electrolyte disturbances. Blood, dark coffee-ground material, severe pain, or inability to keep fluids down warrants prompt medical evaluation.

Word origin

Where “Emesis” comes from

From Greek emesis, meaning “vomiting.”

For learning, not diagnosis. This glossary provides general educational information and is not a substitute for advice from a qualified healthcare professional. If you may be experiencing a medical emergency, contact local emergency services.