Mononucleosis is contagious! If youve got mono, you can spread it to others. How do i know if ive got mono? Sometimes you can have mono and not even know it. Symptoms of mono include chills feeling really tired and weak. Articles on mononucleosis mononucleosis mononucleosis - tests and treatments for mono. Infectious mononucleosis, mono, kissing disease, and glandular fever are all terms popularly used for the very common infection typically caused by the epstein-barr virus (ebv), but other viruses can also cause the disease. This article focuses specifically on the epstein-barr virus as a cause of mono since this is the characteristic virus associated with the condition. An enlarged spleen can rupture, causing pain and bleeding inside the belly, and needs emergency surgery. So doctors recommend that teens who have mono avoid contact sports for at least a month after symptoms are gone. mono can occur at all ages, but most cases are seen in adolescence and early childhood. According to the us centers for disease control and prevention (cdc), mono is common among teenagers and young adults, and at least one out of four teenagers developed infectious mononucleosis after getting infected by the ebv virus. Older adults with mono will usually have a fever but may not have other symptoms such as a. Infectious mononucleosis (mono) is often caused by the epstein-barr virus (ebv). Mono is most often spread by contact with infected spit (saliva). Thats because mono is caused by a virus, and antibiotics do not kill viruses. Its also called the kissing disease because of one way you can spread it to.