The synergism and additivity are shown when cefathiamidine combined with 6 antimicrobial agents against 30 strains Staphylococcus epidermidis,and the autonomy and antagonism are not found.

• :6种抗菌药物与头孢硫脒联合用药后 ,对表皮葡萄球菌球菌基本表现为协同或相加作用 ,并以协同作用为主 ,无关作用较少 ,无拮抗作用。