Mono (medically known as mononucleosis) is a common illness, and it’s especially common among young adults. It’s often referred to as the “kissing disease,” since it is most often transmitted to others by kissing or sharing of bodily fluids, like saliva. Extreme fatigue is the most famous of mono symptoms, but can cases of mono result in anything worse than that? They can, and our AFC Urgent Care Chattanooga team explains further below ...