Vencef-100 LB Tablets are an antibiotic medication used to treat a variety of bacterial infections. They contain the active ingredient cefuroxime axetil, a cephalosporin antibiotic. They work by killing or stopping the growth of bacteria that can cause infections. Vencef-100 LB Tablets are used to treat a wide range of bacterial infections, including urinary tract infections, bronchitis, and skin infections. They can also be used to prevent certain infections in people who have had a surgery or medical procedure.