Nausea and vomiting

Background

Nausea and Vomiting Algorithm

Clinical Features

Differential Diagnosis

By organ system

GI

Neurologic

Infectious

  • Bacterial toxins
  • PNA
  • SBP
  • UTI
  • Viruses (adeno, norwalk, rota

Drugs/Toxins

  • Toxic doses
    • Digoxin
    • ASA
    • APAP
  • NSAIDs
  • Opiates
  • ETOH
  • Anticonvulsants
  • Abx
  • Antiarrhythmics
  • Toxins
    • Organophosphates
    • CO
    • Ricin

Endocrine

Miscellaneous

By Severity

Critical

Emergent

Nonemergent

  • Gastritis
  • Gastroparesis
  • PUD
  • Gastroenteritis
  • Biliary colic
  • Hepatitis
  • Thyroid
  • Pregnancy
  • Erythromycin
  • Ibuprofen
  • Chemotherapy
  • Narcotics/wdwl from
  • ETOH
  • UTI
  • Renal colic
  • Motion sickness
  • Labyrinthitis

Diagnosis

Work-Up

  • CBC
  • Chemistry
  • Urine pregnancy
  • LFTs
  • Lipase
  • APAP, ASA, digoxin levels
  • UA
  • ?Abd xray
  • ?CT
  • ?US

Evaluation

Management

Disposition

Complications

  • Hypovolemia
  • Metabolic alkalosis
  • Hypokalemia
  • Mallory-Weiss (tear)
  • Boerhaave (rupture)
  • Aspiration

See Also

References