Nausea and vomiting differential diagnosis

Nausea and vomiting Microchapters
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Overview

Differential diagnosis of vomiting may be a result of a range of causes, including GI (obstructive and inflammatory) etiologies, CNS disease, pulmonary problems, renal disease, endocrine/metabolic disorders, drugs (either as side effects or in over dosages), psychiatric disorders, strep throat, pregnancy or stress.

Differential diagnosis

The causes of nausea and vomiting can be differentiated as GI and Non GI causes:

GI causes

Inflammatory:

Esophagitis

Gastritis

Hepatitis

Enteritis

Pancreatitis

Obstructive:

Esophageal malignancies

Gastric outlet obstruction , may be due to malignancy

Pyloric stenosis

Strangulated hernias

Small bowel obstruction due to adhesion, intusussception or volvulus

Diverticulitis

Functional:

Esophageal dysmotility

Achalasia Cardia

Gastroparesis due to autonomic dysfunction

Ileus- Hypokalemia

Ogilvie Syndrome

Non GI causes can be

CNS causes:

Migraine

Pseudotumor cerebri

Meningitis

Space occupying lesions

Labrynthitis

Metabolic:

Acidosis- DKA, Lactic acidosis

Others:

Alcoholism

Chemotherapy

Opiate therapy

Antibiotics