Table 1 Non-exhaustive list of differential diagnosis of hyperemesis

Pregnancy

Esophageal motility disorder

Bulimia/anorexia

Choledocholithiasis

Cyclic vomiting syndrome

Pancreatitis

Intoxication (accidental or deliberate)

Gastritis

Esophagitis

Inflammatory bowel disease

Lead poisoning

Sickle cell anemia

Acute intermittent porphyria