Epstein-Barr Virus (EBV) Infection

Epstein-Barr Virus is a common herpes virus that infects most people at some point in their lives. It spreads through saliva and other body fluids. Many people first encounter EBV during childhood, often without symptoms. When teens or adults get infected for the first time, they often develop infectious mononucleosis, also called mono or the kissing disease.

Once you contract EBV, it stays in your body for life in a dormant state. Your immune system typically keeps the virus under control. In most cases, the virus causes no problems after the initial infection. However, EBV can reactivate in people with weakened immune systems. The virus has also been linked to certain cancers and autoimmune conditions, though these complications are rare.

EBV affects blood cell production and immune function. The infection can temporarily lower platelet counts in 25 to 50 percent of people with mono. Platelets are blood cells that help your blood clot properly. This drop in platelets is usually mild and resolves on its own as your body fights the infection.

• Extreme fatigue that can last weeks or months
• Severe sore throat that may be mistaken for strep throat
• Fever that comes and goes
• Swollen lymph nodes in the neck and armpits
• Swollen tonsils that may have white patches
• Headache and body aches
• Skin rash that appears suddenly
• Enlarged spleen that can cause abdominal pain
• Loss of appetite and mild weight loss
• Night sweats that soak through clothing

Many children infected with EBV have no symptoms at all or very mild ones that go unnoticed. Adults and teens are more likely to develop the full range of mono symptoms. Some people carry the virus without ever knowing they were infected.

EBV spreads primarily through contact with infected saliva. You can get the virus by kissing someone who is infected or sharing drinks, food, or utensils. The virus can also spread through blood transfusions, organ transplants, and sexual contact. An infected person can spread EBV for weeks or even months after symptoms disappear. Some people shed the virus occasionally throughout their lives without having any symptoms themselves.

Risk factors include close contact with infected individuals, especially in crowded settings like schools and dormitories. Teens and young adults ages 15 to 24 have the highest rates of symptomatic mono. People with weakened immune systems face greater risk of complications from EBV. This includes those taking immunosuppressive medications, living with HIV, or undergoing cancer treatment. Stress, poor sleep, and inadequate nutrition can make you more susceptible to infection and slow recovery.

Doctors typically diagnose EBV infection based on symptoms and a physical exam. They look for classic signs like swollen lymph nodes, enlarged spleen, and throat inflammation. Blood tests confirm the diagnosis by detecting antibodies your immune system makes against EBV. A complete blood count can show abnormal white blood cells and low platelet counts that are common with mono. Rite Aid offers testing that includes platelet count monitoring, which helps track this important marker during infection.

Your doctor may also order a monospot test, which looks for specific antibodies that appear during acute infection. This rapid test can give results quickly but may miss early infections. More specific EBV antibody tests can distinguish between new infections, past infections, and reactivated virus. These tests measure different types of antibodies that appear at various stages of infection. Regular monitoring helps ensure your platelet levels return to normal as you recover.

• Rest is essential, especially during the first few weeks when fatigue is most severe
• Stay hydrated by drinking plenty of water, herbal teas, and clear broths
• Avoid contact sports and heavy lifting for at least 4 weeks to protect your enlarged spleen
• Use over-the-counter pain relievers like acetaminophen or ibuprofen for fever and body aches
• Gargle with warm salt water to soothe a sore throat
• Eat nutrient-dense foods to support immune function, including fruits, vegetables, and lean proteins
• Avoid alcohol completely, as it can stress your liver during infection
• Get adequate sleep, aiming for 8 to 10 hours per night
• Manage stress through gentle activities like meditation or light walking when able
• Antiviral medications are not typically effective for EBV and are rarely prescribed

See a doctor if you develop severe abdominal pain, which could signal a ruptured spleen. This is a medical emergency. Also seek care if you have trouble breathing, severe headache, or symptoms that worsen instead of improving. Most people recover fully within 2 to 4 weeks, though fatigue may persist longer.