Nausea and vomiting classification
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Overview
Nausea and vomiting can be classified into acute or chronic
Acute nausea and vomiting
Acute vomiting which typically lasts from a few hours to few days is the most common presentation in the emergency department. Acute vomiting needs an extensive workup to exclude life-threatening conditions like bowel obstruction, mesenteric ischemia, acute pancreatitis, and possibly myocardial infarction.
Chronic nausea and vomiting
Chronic vomiting which lasts from weeks to months is initially evaluated in an outpatient setting. Cyclical vomiting syndrome is the most common cause of chronic nausea and vomiting.
Classification
Based on the duration of symptoms it can be classified as
Acute
Chronic
Chemotherapy is one of the most common cause of nausea and vomiting, and
Chemotherapy induced nausea and vomiting can be classified as
Acute
Delayed
Anticipatory