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Infectious mononucleosis is characterized by swollen lymph glands, fever, sore throat, and chronic fatigue. It’s often spread through contact with infected saliva from the mouth. Symptoms can take between 4 to 6 weeks to appear and usually do not last beyond 4 months. Transmission is impossible to prevent because even symptom-free people can carry the virus in their saliva.
Infectious mononucleosis is caused by the Epstein-Barr virus (EBV). A variant of mononucleosis that is milder than EBV infectious mononucleosis is caused by the cytomegalovirus (CMV). Both EBV and CMV are members of the herpes virus family:
Mononucleosis usually lasts for 1 to 2 months. The following are the most common symptoms of mononucleosis. However, each person may experience symptoms differently. Symptoms may include:
Once a person has had mononucleosis, the virus remains dormant in the throat and blood cells for the rest of that person's life. Once a person has been exposed to the Epstein-Barr virus, a person is usually not at risk for developing mononucleosis again.
The symptoms of mononucleosis may resemble other medical conditions. Always consult your health care provider for a diagnosis.
A diagnosis of mononucleosis is usually based on reported symptoms. However, diagnosis can be confirmed with specific blood tests and other lab tests, including:
Specific treatment for infectious mononucleosis will be determined by your health care provider based on the following:
Treatment for mononucleosis may include:
Complications of infectious mononucleosis don’t occur often. Complications may include:
Avoid kissing or sharing dishes or food utensils with anyone who has the infection.
If your symptoms get worse or you have new symptoms, let your health care provider know.
Tips to help you get the most from a visit to your health care provider:
Bayhealth is Southern Delaware’s healthcare leader with hospitals in Dover and in Milford. Bayhealth provides a wide range of medical services, including cardiovascular, cancer, orthopaedics and rehabilitation, pediatrics, respiratory care, sleep care, surgical weight loss and women’s services.