Nausea is stomach distress with distaste for food and an urge to vomit. Nausea can be acute and short-lived, or it can be prolonged. When prolonged, it is a debilitating symptom. Nausea (and vomiting) can be psychological or physical in origin.

Symptom severities
Severe 1,321
Moderate 3,736
Mild 6,715
None 11,696
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