Nausea and vomiting are common symptoms that can be caused by numerous conditions. Nausea and vomiting most often are due to viral gastroenteritis — often mistakenly termed "stomach flu" — or the morning sickness of early pregnancy.
Nausea and vomiting are common symptoms that can be caused by numerous conditions. Nausea and vomiting most often are due to viral gastroenteritis — often mistakenly termed "stomach flu" — or the morning sickness of early pregnancy.