AIM:To study the pharmacokinetics of cefprozil in 10 healthy volunteers and 10 patients with respiratory tract infections after a single-dose and multiple-dose of SOOmg. METHODS:The cefprozil concentration in serum was determined by a high performance liquid chromatography method. Pharmacokinetic parameters were obtained by using PKBP-Nl imitate program,and were calculated on the basis of two-compartment models. RESULTS:- 15 -The pharmacokinetic parameters obtained from the volunteers and patients respectiv...