Chronic stress can negatively affect white blood cells by disrupting immune regulation. Elevated cortisol levels reduce lymphocyte production, impair neutrophil function, and weaken the body’s ability to fight infections. Over time, this suppression increases susceptibility to illness and slows recovery. Acute stress may briefly boost immune activity, but prolonged stress has the opposite effect. Managing stress through sleep, nutrition, exercise, and mindfulness supports immune resilience. In healthcare supply discussions, even a ceftriaxone injection wholesaler recognizes that strong immunity complements effective antibiotics. Reducing stress helps white blood cells respond efficiently, improving overall health outcomes and treatment effectiveness for patients worldwide today.