Mononucleosis, also called "mono," is a common illness that can leave you feeling tired and weak for weeks or months. Mono goes away on its own, but lots of rest and good self-care can help you feel better.

Do you ever fully recover from mono?

It takes two to three months to completely recover from mononucleosis. Most of the people infected with mononucleosis may start to feel better within two to four weeks, but fatigue may last longer. It generally takes two to three months to completely recover from mononucleosis.

How long does Mono last for?

For some people, their liver or spleen or both may remain enlarged even after their fatigue ends. Most people get better in two to four weeks; however, some people may feel fatigued for several more weeks. Occasionally, the symptoms of infectious mononucleosis can last for six months or longer.