Utilix-Fos Sachet with powerful formulation of Fosfomycin Trometamol 3gm is a broad-spectrum antibiotic specially used for urinary tract infections (UTIs). It works by inhibiting bacterial cell wall synthesis, leading to rapid destruction of infection-causing bacteria in the urinary tract. Due to its high urinary concentration and convenient single-dose therapy, it is widely preferred for uncomplicated UTIs, especially in women.