What symptom is commonly associated with infectious mononucleosis?

Enlarged lymph nodes are a hallmark symptom of infectious mononucleosis, a viral infection often caused by the Epstein-Barr virus. This condition is characterized by the body’s immune response to the virus, which leads to the inflammation and swelling of lymphatic tissue. The lymph nodes, particularly in the neck and armpits, typically become tender and enlarged, serving as a clear indicator of the infection.

The presence of enlarged lymph nodes, along with other symptoms such as sore throat, fatigue, and fever, helps healthcare providers in diagnosing mononucleosis. Recognizing this symptom is crucial, as it differentiates mononucleosis from other illnesses that might present with similar general symptoms.

Other symptoms listed, such as frequent headaches, severe abdominal pain, and a persistent cough, are not characteristic of infectious mononucleosis. While headaches may occur due to general discomfort or fever, they are not a primary indicator of the infection. Severe abdominal pain might be observed in different contexts but is not a common finding in infectious mononucleosis. A persistent cough is more aligned with respiratory infections rather than the viral nature of mononucleosis. Understanding these nuances reinforces the significance of enlarged lymph nodes in the diagnosis of this condition.