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 N (%)	od N (%)	qid N (%)	tds N (%)	Total N (%)
Azithromycin 500 mg	0 (0%)	5 (83.3%)	0 (0%)	1 (16.7%)	6 (2.8%)
Cefadroxil 500 mg	1 (100%)	0 (0%)	0 (0%)	0 (0%)	1 (0.4%)
Cefixime 200 mg	8 (88.9%)	1 (11.1%)	0 (0%)	0 (0%)	9 (4.3%)
Cephalexin 500 mg	14 (100%)	0 (0%)	0 (0%)	0 (0%)	14 (6.5%)
Ciprofloxacin 200 mg	1 (100%)	0 (0%)	0 (0%)	0 (0%)	1 (0.4%)
Ciprofloxacin 500 mg	21 (91.3%)	0 (0%)	0 (0%)	2 (8.7%)	23 (10.6%)
Ciprofloxacin 500 mg + tinidazole 600 mg	2 (100%)	0 (0%)	0 (0%)	0 (0%)	2 (0.9%)
Clindamycin 300 Mg	6 (100%)	0 (0%)	0 (0%)	0 (0%)	6 (2.8%)
Doxycyclin 100 mg	5 (83.3%)	1 (16.7%)	0 (0%)	0 (0%)	6 (2.8%)
Erythromycin 500 mg	55 (46.7%)	0 (0%)	2 (1.6%)	61 (51.7%)	118 (54.6%)
Levofloxacin 500 mg	0 (0%)	1 (100%)	0 (0%)	0 (0%)	1 (0.4%)
Metronidazole 400 mg	8 (88.9%)	0 (0%)	0 (0%)	1 (11.1%)	9 (4.3%)
Ofloxacillin 200 mg	4 (100%)	0 (0%)	0 (0%)	0 (0%)	4 (1.9%)
Ofloxacillin 200 mg + ornidazole 500 mg	10 (83.3%)	0 (0%)	0 (0%)	2 (16.7%)	12 (5.6%)
Ofloxacin 400 mg	2 (100%)	0 (0%)	0 (0%)	0 (0%)	2 (0.9%)
Ornidazole 500 mg	1 (100%)	0 (0%)	0 (0%)	0 (0%)	1 (0.4%)
Tetracycline 500 mg	1 (100%)	0 (0%)	0 (0%)	0 (0%)	1 (0.4%)
Total	139 (64.4%)	8 (3.7%)	2 (0.9%)	67 (31%)	216 (100%)