Nausea (feeling sick) and vomiting (being sick) in adults isn’t usually a sign of anything serious. Nausea can have many causes, including travel sickness, early pregnancy, food poisoning and infection.

One of the most common causes of vomiting in adults is a gut infection (gastroenteritis), which usually only lasts 1 or 2 days.

However, vomiting can occasionally be a sign of a more serious problem and may require emergency help.