goodtoknow says: Glandular fever is caused by the Epstein-Barr virus and is often known as 'the kissing disease' because it can be passed from one person to another in saliva. Glandular fever is most likely to affect teenagers and young people and is highly contagious, spreading through close contact not just kissing. Symptoms include a very sore throat, swollen glands, high temperature and extreme tiredness. Drink plenty of fluids, even if swallowing is difficult, and take painkillers. Most people make a complete recovery from glandular fever within a few weeks, although they may feel tired for a little longer.

For a full medical explanation of the causes, symptoms and treatments of glandular fever (infectious mononucleosis) from patient.co.uk, read on.

Infectious Mononucleosis

Infectious mononucleosis is commonly known as glandular fever. It is caused by a virus (the Epstein-Barr virus). Although it can make you feel quite ill, full recovery is usual. Do not play rough or contact sports such as rugby for eight weeks after having glandular fever (see why below).

Who gets glandular fever?

It can affect people of any age, but is most common in young adults and teenagers. The virus is contagious and can be passed on to others by close contact. The immune system makes antibodies during the infection. These clear the virus and then provide lifelong immunity. Therefore, it is rare to have more than one bout of glandular fever.

- What are the symptoms of glandular fever?

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