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What are the symptoms of mono?
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The most common symptoms of mono (mononucleosis) include extreme fatigue, sore throat, fever, swollen lymph nodes, and an enlarged spleen. Other symptoms may include muscle aches, headache, and loss of appetite. In some cases, other symptoms may include a rash, abdominal pain, nausea or vomiting, and/or joint pain. Some patients may also experience an enlarged liver and/or jaundice (yellowing of the eyes or skin).