White blood cells (WBCs) are essential defenders of the immune system, protecting the body against infections, bacteria, viruses, and other harmful invaders. They circulate in the bloodstream and tissues, detecting threats and triggering immune responses. Neutrophils rapidly attack bacteria, lymphocytes produce antibodies, and monocytes clean up debris. Maintaining healthy WBC levels ensures the body can fight disease effectively. When infections become severe, medical treatment may be required, such as antibiotics. For example, healthcare providers sometimes prescribe ceftriaxone, a broad-spectrum antibiotic. Hospitals and pharmacies rely on trusted ceftriaxone injection distributors to ensure timely availability of this life-saving medication worldwide.