This list does not constitute medical advice and may not accurately represent what you have. Nerve disorders: Disorders of the brain or nerves responsible for balance in the inner ear can lead to vomiting similar to motion sickness.
Pregnancy: While certainly not a "disease", the normal bodily changes of pregnancy can lead to imbalance in your gastrointestinal system, with resulting bouts of vomiting.Allergy: Nausea and vomiting is a component of severe allergic reaction in some individuals.Metabolic: Imbalances in the levels of certain electrolytes and nutrients in your blood can cause vomiting.
Other various causes of projectile vomiting include the following.