Causes of Vomiting

Vomiting often occurs with nausea, and many of the causes of vomiting also cause “nausea and vomiting”. However, note that both “nausea-without-vomiting” and “vomiting-without-nausea” are possible.

Example Common Causes: Common well-known causes of vomiting include:

Example Dangerous Causes: There are various disorders that can be serious enough to be a medical emergency, some of which include:

This list only shows some examples. Other causes of vomiting can be serious too. Consider all possible causes, and see your doctor promptly for a full diagnosis. Any vomiting disorder can itself be dangerous from complications such as dehydration and electrolyte imbalance.

Pregnancy-Related Vomiting: That vomiting occurs in morning sickness is well-known, but there are various other possible causes of vomiting in pregnancy:

Balance Disorders: Various disorders that cause dizziness, light-headedness, vertigo, or other balance symptoms can also result in nausea and vomiting. Examples include:

There are other causes of dizziness or vertigo, which can cause vomiting. Read more about: Dizziness, Vertigo.

Infections: Various infections, both systemic and local illnesses, can cause vomiting:

Gastrointestinal Infections: Various stomach and intestinal infections can cause vomiting:

Non-Infectious Gastrointestinal Causes: In addition to contagious digestive infections, various disorders of the GI tract and its internal organs can cause vomiting, such as:

Urinary and Kidney Disorders: Various disorders of the kidneys and the urinary system can cause vomiting, such as:

Liver and Biliary Disorders: Various disorders of the liver can cause nausea and vomiting (usually with jaundice), such as:

Metabolic and Endocrine Disorders: Various disorders of the body’s chemical balance or hormonal systems can cause vomiting:

Brain and CNS Disorders: Some disorders of the brain and the central nervous system can result in nausea and vomiting (usually also with headache, but sometimes without headache):

Heart Disorders: Some heart disorders can cause nausea and/or vomiting, such as:

Other Disorders: There are many other causes of vomiting, such as:

Nausea: There are various other causes of nausea, which usually precedes and then results in vomiting, and are thus possible causes of vomiting. Read more about: Causes of Nausea.

Note: This site is for informational purposes only and is not medical advice. See your doctor or other qualified medical professional for all your medical needs.