Ceftriaxone + Tazobactam is a combination of two medicines : Ceftriaxone and Tazobactam.
Ceftriaxone is an antibiotic. It works by preventing the formation of the bacterial protective covering which is essential for the survival of bacteria.
Tazobactam is a beta-lactamase inhibitor which reduces resistance and enhances the activity of ceftriaxone against bactria.