What are the severe symptoms of mono?
Symptoms
- extreme fatigue.
- fever.
- sore throat.
- head and body aches.
- swollen lymph nodes in the neck and armpits.
- swollen liver or spleen or both.
- rash.
Do symptoms come and go with mono?
Most people who have mono (infectious mononucleosis) will have it only once. But rarely, mononucleosis symptoms may recur months or even years later. Most cases of mononucleosis are caused by infection with the Epstein-Barr virus (EBV).

How do you know if you have mono before symptoms?
You might feel more tired than usual and have a mild fever and sore throat. Your lymph nodes, tissue that normally acts as filters, may swell under your arms and in your neck and groin area. You also may have body aches and pains, swollen tonsils, headache, and even a skin rash.
What are the classic symptoms of Mono?
The classic symptoms of mono then follow: A severe sore throat Red, swollen tonsils covered in pus Swollen lymph glands (lymphadenopathy) in the neck and armpits, but also possible in the groin Fever as high as 104 degrees to 105 degrees that may last one to two weeks, and often peaks in the afternoon or early evening
What is mononucleosis?

Mononucleosis (mono) is a viral infection that most often affects teens and young adults. Typical symptoms in those age groups are a sore throat, fever, swollen neck glands, enlarged tonsils, and fatigue.
What are the stages of a mono infection?
A mono infection generally has three distinct stages. In each stage, the infection can cause different symptoms and health concerns. The prodrome , or earliest, stage of mono is when symptoms begin to appear. The length of time it takes to start showing symptoms after a person is infected, known as the incubation period, is about four to six weeks.
What is the prodrome stage of Mono?
In each stage, the infection can cause different symptoms and health concerns. The prodrome , or earliest, stage of mono is when symptoms begin to appear. The length of time it takes to start showing symptoms after a person is infected, known as the incubation period, is about four to six weeks.