Mononucleosis, also known as mono, is a viral infection that can cause a range of symptoms. The signs of mono can vary from person to person, and some people may not experience any symptoms at all. However, common signs and symptoms of mono include:

• Fatigue: Extreme tiredness and lack of energy are common symptoms of mono.

• Sore throat: A sore throat is a common symptom of mono, and it may be misdiagnosed as strep throat.

• Fever: A fever is a common symptom of mono, and it may be high or low-grade.

• Swollen lymph nodes: Mono can cause swollen lymph nodes in the neck and armpits.

• Swollen tonsils: Mono can cause swollen tonsils, which may have white patches.

• Headache: Headaches are a common symptom of mono.

• Skin rash: Mono can cause a pink, measles-like rash, which is more likely to occur if the person takes ampicillin or amoxicillin for a throat infection.

• Enlarged spleen: Mono can cause the spleen to become enlarged and tender.

• Loss of appetite: Mono can cause a loss of appetite.

• Muscle aches or stiffness: Mono can cause muscle aches or stiffness.

If you experience any of these symptoms, especially if they dont get better on their own in a week or two, its important to see a doctor.