Mononucleosis: Can it recur?

Q.

Two years ago, my daughter was diagnosed with mononucleosis. Now she's having some of the same symptoms again. Can mono recur? I thought that once you got mononucleosis you couldn't get it again. Colleen / Illinois see response Mayo Clinic infectious disease specialist James Steckelberg, M.D., and colleagues answer select questions from readers.

All Infectious Disease Q&As:

• Acute bronchitis: Is it contagious?
• Airborne cold remedy: Does it prevent colds?
• Antibiotics and alcohol: Should I avoid mixing them?
• Bacterial infection vs. viral infection: What's the difference?
• Blood poisoning: What does it mean?



• Cellulitis infection: Is it contagious?
• Chickenpox and pregnancy: What are the concerns?
• Chickenpox vaccination: Is it 100 percent effective?
• Cold or allergy: Which is it?
• Cold symptoms: Does drinking milk increase phlegm?



• Coxsackievirus infection in children: Is it serious?
• Drug-resistant tuberculosis (XDR-TB): Am I at risk?
• Early HIV symptoms: What are they?
• Flu germs: How long can they live outside the body?
• Genital herpes: Can you get it from a toilet seat?



• Hepatitis C transmission: Is it safe to breast-feed?
• Hepatitis C treatment: Are herbal remedies effective?
• Hepatitis C: How common is sexual transmission?
• Hepatitis C: What happens in end-stage liver disease?
• Honey: An effective cough remedy?



• Hot tub lung: Am I at risk?
• Meningitis vaccine: Can infants get it?
• Mononucleosis and Epstein-Barr: Are they related?
• Mononucleosis: Can it recur?
• Phenylephrine: Why is it replacing pseudoephedrine?



• Plugged ears: What is the remedy?
• Probiotics: What are they?
• Recurring strep throat: When is tonsillectomy useful?
• Shingles vaccine: Can I transmit the vaccine virus to others?
• Shingles vaccine: Should I get it?



• Stomach flu: How long am I contagious?
• Strep C: A concern in humans?
• Tetanus shots: How often should I get boosters?
• Tonsillitis vs. strep throat: What's the difference?
• West Nile virus: What are the long-term health effects?

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