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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%