Dr Kiran Peddi is famous Gastroenterologist in Hyderabad. Vomiting is the forcible emptying of the stomach and not only foods but fluids too, it may occur food poisoning, Crohn’s disease. br br For More info br Vomiting is the forceful emptying of the contents of the stomach. Vomiting is body’s way of getting a contaminated substance out of its system. Recurrent vomiting & nausea may be signs of a serious underlying disease br br br br What are the causes of vomiting? br br Vomiting is common and may occur when a person eats too much or consumes excessive alcohol. These are generally not worrisome.