Nausea

Definition

A subjective unpleasant, wave-like sensation in the back of the throat, epigastrium, or abdomen that may lead to the urge or need to vomit

Defining Characteristics

Signs and Symptoms (Observed or Reported)

* Report of nausea ("sick to my stomach")

* Increased salivation

* Aversion toward food

* Gagging sensation

* Sour taste in mouth

* Increased swallowing

Related Factors

Treatment Related

* Gastric irritation: Pharmaceutical agents (e.g., aspirin, nonsteroidal antiinflammatory drugs [NSAIDs], steroids, antibiotics), alcohol iron, and blood

* Gastric distention: Delayed gastric emptying caused by ...