Pharmacokinetic study of levofloxacin. Levofloxacin was administered orally at 3, 10, or 30 mg/kg to ICR mice. Blood was drawn at 15, 30, 60, 120, and 240 min after administration. (A) Plasma concentration curve. (B) Cmax. (C) AUC. Data represent the mean ± 1 SD (n = 3 in each group).