Can we treat Mononucleosis naturally? Mononucleosis is a contagious disease that often is caused by the Epstein-Barr virus or herpesvirus 4. Its symptoms include: fever, fatigue, headache, sore throat, swollen glands and a possible enlargement of the spleen and liver. Often it is contracted along with strep throat, and heart palpitations can also accompany this. […]