Nausea and vomiting may occur separately or together. Common causes include:

  1. Chemotherapy
  2. Gastroparesis (a condition in which the muscles of the stomach wall don't function properly, interfering with digestion)
  3. General anesthesia
  4. Intestinal obstruction
  5. Migraine
  6. Morning sickness
  7. Motion sickness
  8. Rotavirus
  9. Viral gastroenteritis (stomach flu)
  10. Vestibular neuritis

Other possible causes of nausea and vomiting include:

  1. Alcoholism
  2. Anaphylaxis (in children)
  3. Anorexia nervosa
  4. Appendicitis
  5. Benign paroxysmal positional vertigo (BPPV)
  6. Brain tumor
  7. Bulimia nervosa
  8. Concussion
  9. Cholecystitis
  10. Crohn's disease
  11. Cyclic vomiting syndrome
  12. Depression
  13. Dizziness
  14. Diabetic ketoacidosis
  15. Ear infection (middle ear)
  16. Food poisoning
  17. Generalized anxiety disorder
  18. GERD — Gastroesophageal reflux disease
  19. Heart attack
  20. Heart failure
  21. Hepatitis
  22. High fever (in children)
  23. Hydrocephalus
  24. Hyperparathyroidism (overactive parathyroid)
  25. Hyperthyroidism (overactive thyroid)
  26. Hypoparathyroidism (underactive parathyroid)
  27. Intestinal ischemia
  28. Intestinal obstruction
  29. Intracranial hematoma
  30. Intussusception (in children)
  31. Irritable bowel syndrome
  32. Liver cancer
  33. Liver failure
  34. Medications (including aspirin, nonsteroidal anti-inflammatories, oral contraceptives, digitalis, narcotics and antibiotics)
  35. Meniere's disease
  36. Meningitis
  37. Milk allergy (in infants and children)
  38. Pancreatic cancer
  39. Pancreatitis
  40. Peptic ulcer
  41. Pseudotumor cerebri
  42. Pyloric stenosis (in infants)
  43. Radiation therapy
  44. Severe pain
  45. Traumatic brain injury

Causes shown here are commonly associated with this symptom. Work with your doctor or other health care professional for an accurate diagnosis.

Sep. 04, 2014