The rates of resistance to oral commonly used antibiotics were 20 - 50% (amoxycillin), 16.7 - 50% (sulfamethoxazole / trimethoprim), 4 - 50% (ampicillin), 6 - 37.5% (amoxycillin / clavulanic acid), 10 - 32% (azithromycin), 0 - 25% (ampicillin / sulbactam), 17.2 - 70% (cefaclor), 0 - 30% (cefuroxime) and 0 - 20% (erythromycin).
Tỷ lệ kháng các kháng sinh đường uống thường dùng là amoxycillin 20-50%, sulfamethoxazole / trimethoprim 16,7-50%, ampicillin 4-50%, amoxycillin / clavulanic acid 6-37,5%, azithromycin 10-32%, ampicillin / sulbactam 0-25%, cefaclor 17,2-70%, cefuroxime 0-30%, erythromycin 0-20%.