Table 3: Type, dose, and frequency of antibiotic prescription for an adult patient with allergy to penicillin.

Which antibiotic do you prescribe most often?bd (%)od (%)qid (%)tds (%)Total (%)

Azithromycin 500 mg0 (0%)5 (83.3%)0 (0%)1 (16.7%)6 (2.8%)
Cefadroxil 500 mg1 (100%)0 (0%)0 (0%)0 (0%)1 (0.4%)
Cefixime 200 mg8 (88.9%)1 (11.1%)0 (0%)0 (0%)9 (4.3%)
Cephalexin 500 mg14 (100%)0 (0%)0 (0%)0 (0%)14 (6.5%)
Ciprofloxacin 200 mg1 (100%)0 (0%)0 (0%)0 (0%)1 (0.4%)
Ciprofloxacin 500 mg21 (91.3%)0 (0%)0 (0%)2 (8.7%)23 (10.6%)
Ciprofloxacin 500 mg + tinidazole 600 mg2 (100%)0 (0%)0 (0%)0 (0%)2 (0.9%)
Clindamycin 300 Mg6 (100%)0 (0%)0 (0%)0 (0%)6 (2.8%)
Doxycyclin 100 mg5 (83.3%)1 (16.7%)0 (0%)0 (0%)6 (2.8%)
Erythromycin 500 mg55 (46.7%)0 (0%)2 (1.6%)61 (51.7%)118 (54.6%)
Levofloxacin 500 mg0 (0%)1 (100%)0 (0%)0 (0%)1 (0.4%)
Metronidazole 400 mg8 (88.9%)0 (0%)0 (0%)1 (11.1%)9 (4.3%)
Ofloxacillin 200 mg4 (100%)0 (0%)0 (0%)0 (0%)4 (1.9%)
Ofloxacillin 200 mg + ornidazole 500 mg10 (83.3%)0 (0%)0 (0%)2 (16.7%)12 (5.6%)
Ofloxacin 400 mg2 (100%)0 (0%)0 (0%)0 (0%)2 (0.9%)
Ornidazole 500 mg1 (100%)0 (0%)0 (0%)0 (0%)1 (0.4%)
Tetracycline 500 mg1 (100%)0 (0%)0 (0%)0 (0%)1 (0.4%)

Total139 (64.4%)8 (3.7%)2 (0.9%)67 (31%)216 (100%)