Cephalexin 500mg is a potent cephalosporin antibiotic widely used to treat bacterial infections. It works by disrupting bacterial cell wall synthesis, causing cell lysis and death. Cephalexin is effective against a range of gram-positive bacteria, such as Streptococcus and Staphylococcus, making it a reliable choice for skin, respiratory tract, urinary tract, and bone infections.

Typically taken orally, cephalexin 500mg is well-absorbed and has a favorable safety profile. It is prescribed in conditions like sinusitis, bronchitis, cystitis, and cellulitis. Patients often experience relief of symptoms within a few days of starting treatment, but completing the full course is crucial to prevent resistance.