why vomiting occurs
why vomiting occurs Vomiting, also known as emesis, is a reflex action that helps the body to expel the contents of the stomach and sometimes the small intestine. It can be caused by a variety of factors, including: Gastrointestinal disorders: Vomiting can be a symptom of several gastrointestinal disorders such as gastroenteritis (inflammation of the stomach and intestines), food poisoning, peptic ulcers, and inflammatory bowel disease. Viral infections: Vomiting is a common symptom of viral infections, including norovirus, rotavirus, and other types of viral gastroenteritis. Motion sickness: Vomiting can occur as a result of motion sickness, which is caused by the brain receiving conflicting signals from the inner ear and eyes. Pregnancy: Nausea and vomiting are common symptoms of pregnancy, particularly during the first trimester. Side effects of medications: Some medications can cause vomiting as a side effect, including chemotherapy drugs, painkillers, and antibiotics. Alcohol co