From NHS Direct.
The incubation period (the time it takes symptoms to develop after being infected with the Epstein-Barr virus) lasts for one to two months.
Common symptoms
The three most common symptoms of glandular fever are:a high temperature (fever) of 38ºC (100.4ºF) or above
a sore throat – this will usually be much more painful than any previous throat infection you may have had
swollen glands (nodes) in your neck and possibly in other parts of your body, such as under your armpits
In addition to throat pain, you may also have:- swollen tonsils
- the inside of your throat may be very red and ooze fluid
- swelling of your adenoids, which are two lumps of tissue at the back of your nose
- small purple spots on the roof of your mouth
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Other symptomsOther symptoms of glandular fever include:
fatigue (extreme tiredness)
a general sense of feeling unwell
a headache
chills
sweats
loss of appetite
pain behind your eyes
swelling of your spleen – this may cause a noticeable and tender swelling or lump in the left side of your abdomen (tummy)
swelling or ‘puffiness’ around your eyes
swelling of your liver – this usually causes mild pain and tenderness in the lower right side of your abdomen
jaundice – yellowing of the whites of your eyes and skin
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