Mononucleosis, or mono, is a very common illness that typically develops from the Epstein-Barr virus (EBV). The condition can cause severe symptoms that last for several weeks. While mono symptoms generally subside after a few weeks, levels of fatigue can linger on. So how long does mono fatigue last? This blog will explore the answer to that question and detail some treatment options available to fight off the virus. For same-day mono treatment, visit the ...