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Table 2 Most frequently prescribed antimicrobial regimens for community RTIs with relative prescription frequency.

From: Pharmacodynamic evaluation of commonly prescribed oral antibiotics against respiratory bacterial pathogens

ANTIMICROBIAL Prescribed Dosing Regimen % Relative prescription frequency per drug formulation
AZITHROMICIN 500 mg QD 27.4%
AMOXICILLIN 500 mg TID 15.4%
LEVOFLOXACIN 500 mg QD 14.7%
AMOXICILLIN 875 mg BID 6.5%
GATIFLOXACIN 400 mg QD 6.3%
AZITHROMICIN 1000 mg QD 6.0%
AMOXICILLIN-CLAVULANIC ACID 875 mg BID 5.8%
LEVOFLOXACIN 250 mg QD 5.1%
AMOXICILLIN-CLAVULANIC ACID 500 mg TID 4.7%
MOXIFLOXACIN 400 mg QD 3.5%
CEFACLOR 500 mg BID 0.8%
CEFACLOR 750 mg BID 0.8%
CEFACLOR 250 mg BID 0.5%
CEFACLOR 375 mg BID 0.4%