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. Motion sickness: First aid
  6. Morning sickness
  7. Migraine
  8. Rotavirus
  9. Viral gastroenteritis (stomach flu)
  10. Vestibular neuritis

Other possible causes of nausea and vomiting include:

  1. Alcohol use disorder
  2. Anaphylaxis (in children)
  3. Anorexia nervosa
  4. Appendicitis
  5. Benign paroxysmal positional vertigo (BPPV)
  6. Brain tumor (both cancerous and noncancerous)
  7. Bulimia nervosa
  8. Concussion
  9. Cholecystitis
  10. Cholecystitis (gallbladder inflammation)
  11. Cyclic vomiting syndrome
  12. Depression (major depressive disorder)
  13. Dizziness
  14. Diabetic ketoacidosis
  15. Ear infection (middle ear)
  16. Food poisoning
  17. Generalized anxiety disorder
  18. GERD (gastroesophageal reflux disease)
  19. Hiatal hernia
  20. Heart failure
  21. Gallstones
  22. Fever (in children)
  23. Hydrocephalus (a congenital brain abnormality)
  24. Hyperparathyroidism (overactive parathyroid)
  25. Hyperthyroidism (overactive thyroid)
  26. Hypoparathyroidism (underactive parathyroid)
  27. Intestinal ischemia
  28. Enlarged spleen (splenomegaly)
  29. Intracranial hematoma
  30. Intussusception (in children)
  31. Duodenitis (inflammation of the initial portion of the small intestine)
  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.

Sept. 04, 2014