Enlargement of the axillary lymph nodes (axillary lymphadenopathy) is an excessive growth of lymphoid formations in the armpits, in which palpable nodes appear more than 1 cm in diameter. The symptom is observed in inflammatory diseases and breast cancer, hemoblastoses, infectious processes. To identify the root causes of axillary lymphadenopathy, ultrasound, x-ray, cytological, and laboratory studies are performed. The appointment of medications is indicated only after the establishment of the disease that provoked lymphoid hyperplasia.