Vomiting, also known as emesis, is a reflexive action that expels the contents of the stomach through the mouth. It is often triggered by various factors, including infections, such as gastroenteritis or food poisoning, which irritate the stomach lining and activate the body’s vomiting reflex. Other common causes of vomiting include motion sickness, overeating, excessive alcohol consumption, pregnancy-related morning sickness, or side effects of medications like chemotherapy drugs or opioids. Vomiting is typically accompanied by other symptoms such as nausea, abdominal pain, sweating, or dizziness, depending on the underlying cause. While vomiting is usually a protective mechanism to rid the body of harmful substances or toxins, persistent or severe vomiting can lead to dehydration, electrolyte imbalances, and nutritional deficiencies, requiring medical attention. Treatment for vomiting focuses on addressing the underlying cause and relieving associated symptoms. This may include hydration with clear fluids, antiemetic medications to control nausea and vomiting, dietary modifications, and rest. In cases of severe or persistent vomiting, intravenous fluids and electrolyte replacement may be necessary to prevent complications and restore hydration balance.