All these lymph nodes when they are not soldered defeat each other and the subcutaneous tissue, not suppurate. In young patients enlarged lymph nodes expressed more clearly. Especially characteristic and clearly pronounced increase zadnesheynyh lymph nodes. Lymph nodes at the root of lung and mediastinal nodes may also increase. Observed occasionally abdominal pain are due to increase in mesenteric nodes.
Dry cough is due to increased paratracheal lymph nodes. The defeat of the nasopharynx is common, it is characterized by a dry catarrh, difficulty of nasal breathing. Often occur in the throat congestion, Light swollen mucous membranes and moderate hyperplasia of tonsils. The defeat of the nasopharynx increases with the manifestation of angina, which may develop at different periods of the disease. Sometimes a sore throat and generally can not be observed. On during treatment with antibiotics for several days. The absence of angina and a significant increase in the lymph nodes difficult to diagnose. As a rule, liver and spleen from the first days of illness can be significantly enlarged, have a fairly thick consistency.
In addition to the destruction of hematopoietic system, increasing the liver spleen, and may in some cases, changes in the myocardium, lungs (pneumonia, bronchitis bottled) described cases clinical picture is polymorphic. In addition to angina, poliadenita, enlarged spleen and many other important diagnostic signs of the disease, with infectious mononucleosis with fever naturally. The temperature rises gradually, but more often it grows quickly and reaches high numbers (39-40 ). The temperature curve may be continuous, remitting, wave-like types with a duration of temperature rise 3-4 to 20 days or more, the temperature drop – more gradual. Known light, blurred and severe forms of infectious mononucleosis. In milder temperature does not reach high numbers, and can hold for only 3-5 days. There may be occasions when the temperature throughout the disease remains normal or subfebrile, and swollen lymph nodes is insignificant.