Infectious mononucleosis, or “mono,” is an infection usually caused by the Epstein-Barr virus. The virus spreads through saliva, which is why it's sometimes called the “kissing disease.” Mono occurs most often in teens and young adults. However, you can get it at any age. Symptoms of mono include:
A blood test can show if you have mono. Most people get better in two to four weeks. However, you may feel tired for a few months afterward. Treatment focuses on minimizing symptoms and may include medication for pain and fever, warm salt water gargle, and plenty of rest and fluids.
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