Do you vomit when you have mononucleosis?

Vomiting is not a common symptom of mononucleosis, but some individuals may experience nausea or gastrointestinal discomfort due to the illness. Mononucleosis primarily causes symptoms such as severe fatigue, sore throat, fever, and swollen lymph nodes. If vomiting occurs, it might be related to other factors or complications, and it's advisable to consult a healthcare professional for proper evaluation.