Chronic lymphadenitis is a prolonged, low-grade inflammation of lymph nodes, usually lasting more than six weeks. It often follows inadequately treated acute infections, mycobacterial disease, or persistent immune stimulation. Typical features include: Painless or mildly tender rubbery nodesLymph nodes enlarge slowly to 1–3 cm, feel firm but not hard, and remain mobile beneath the skin. Persistent swelling without rednessOverlying skin looks normal; heat, erythema, and fluctuation are absent unless secondary infection occurs. Waxing and waning courseNodes may reduce slightly between flares but never return to baseline size, especially after minor upper-respiratory infections. Mild systemic symptomsLow-grade evening fever, easy fatigability, or... Learn more