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Mononucleosis is a contagious illness caused by the Epstein-Barr virus. The virus can be found in saliva, mucus, and other… What is mononucleosis? Mononucleosis (often called “mono”) is a contagious illness. It’s usually caused by the Epstein-Barr virus, but can be caused by other…

Hepatitis B is a serious liver infection caused by a virus. It is usually spread from person to person through… supply to the liver. Poison. Autoimmune disorders. Excessive alcohol use. An injury to the liver. Taking certain medications. Viral infections, such as mononucleosisor cytomegalovirus, although this is…

Hepatitis A (Hep A) is liver inflammation caused by the hepatitis A virus. It isn’t typically as serious as hepatitis… poison, autoimmune disorders, excessive alcohol use, liver injury, and taking certain medicines can also cause hepatitis. Less commonly, viral infections such as mononucleosis or cytomegalovirus…

Cytomegalovirus (CMV) is a common virus that most people are exposed to as infants. It rarely causes symptoms, but sometimes… Usually, CMV does not cause symptoms. Sometimes, it causes mild symptoms. A few people will have symptoms that are similar to the mononucleosis virus. Symptoms…

Hepatitis C is a serious virus that causes inflammation of the liver. It is spread from person to person through… to the liver. Poisons. Autoimmune disorders. Excessive alcohol use. Injury to the liver. Taking certain medicines. Less commonly, viral infections such as mononucleosis or cytomegalovirus can cause hepatitis. There…

A peritonsillar abscess is a collection of pus near one of your tonsils. It can be caused by an infection… are caused by an infection. Most are a complication of tonsillitis (an infection of the tonsils). They also can be caused by mononucleosis (also called mono), tooth…

A sore throat can feel irritated or scratchy with mild to burning pain. Most sore throats are caused by viruses,… viruses, such as the cold or flu virus. Some of the more serious causes of sore throat include tonsillitis, strep throat, and mononucleosis (mono). Other…

Tonsillitis is an inflammation of the tonsils that happens when they become infected by a virus or bacteria. It is… What is tonsillitis? Tonsillitis is an inflammatory disease. It occurs when your tonsils become infected by a virus or bacteria. Tonsils are the oval-shaped areas…

Bell’s palsy is a condition that temporarily paralyzes the side of your face. It usually goes away on its own… What is Bell’s palsy? Bell’s palsy is a condition that temporarily paralyzes the side of your face. It can affect all or part of…

Nasopharyngeal cancer is a malignant tumor that develops in the space between the back of the nose and upper… What is nasopharyngeal cancer? Nasopharyngeal cancer is a malignant tumor that develops in the nasopharynx. The nasopharynx is the area where the back part of your nose opens…