TABLE 7.
Distribution of resistance patterns among Shigella species isolated from children with acute diarrhea in Tehran, Iran, from May 2003 to May 2005
| Antibiotic | S flexneri | S sonnei | S dysenteriae | S boydii | Total | Percentage ofShigellaisolates |
|---|---|---|---|---|---|---|
| ERY, TET, AM, SXT | 2 | 16 | 1 | 0 | 19 | 12 |
| ERY, TET, AM, AMC | 1 | 0 | 1 | 1 | 3 | 1.9 |
| CEF, TET, AMP, SXT | 1 | 1 | 1 | 0 | 3 | 1.9 |
| ERY, TET, AMC, CHL | 1 | 0 | 0 | 0 | 1 | 0.6 |
| ERY, TET, SXT, AMC | 2 | 2 | 0 | 0 | 4 | 2.5 |
| ERY, TET, SXT, CHL | 3 | 0 | 0 | 0 | 3 | 1.9 |
| TET, SXT, AMC, CHL | 2 | 1 | 0 | 0 | 3 | 1.9 |
| TET, AMP, SXT, AMC | 1 | 2 | 0 | 0 | 3 | 1.9 |
| ERY, CEF, TET, SXT | 0 | 4 | 0 | 0 | 4 | 2.5 |
| ERY, CEF, TET, AMP, AMC | 0 | 1 | 0 | 1 | 2 | 1.3 |
| ERY, CEF, TET, SXT, AMC | 0 | 3 | 0 | 1 | 4 | 2.5 |
| ERY, TET, AMP, SXT, AMC | 0 | 6 | 0 | 1 | 7 | 4.5 |
| TET, AMP, SXT, AMC, CHL | 6 | 0 | 0 | 0 | 6 | 3.8 |
| ERY, TET, AMP, SXT, CHL | 1 | 3 | 0 | 0 | 4 | 2.5 |
| CEF, TET, AMP, SXT, AMC | 0 | 4 | 0 | 0 | 4 | 2.5 |
| ERY, CEF, CFM, TET, SXT | 0 | 1 | 0 | 0 | 1 | 0.6 |
| ERY, CEF, TET, AMP, SXT | 0 | 3 | 0 | 0 | 3 | 1.9 |
| ERY, CEF, TET, AMP, SXT, AMC | 1 | 3 | 0 | 1 | 5 | 3.1 |
| ERY, TET, AMP, SXT, NAL, CHL | 0 | 0 | 0 | 1 | 1 | 0.6 |
| ERY, TET, AMP, SXT, AMC, CHL | 7 | 1 | 0 | 0 | 8 | 5.1 |
| ERY, CEF, TET, AMP, AMC, CHL | 0 | 1 | 0 | 0 | 1 | 0.6 |
| ERY, CEF, TET, AMP, SXT, CHL | 0 | 1 | 0 | 0 | 1 | 0.6 |
| ERY, CEF, TET, AMP, SXT, AMC, CHL | 1 | 0 | 0 | 0 | 1 | 0.6 |
| Total | 29 | 53 | 3 | 6 | 91 | 57.5 |
AMC Amoxicillin-clavulanic acid; AMP Ampicillin; CAZ Ceftazidime; CEF Cephalothin; CFM Cefixime; CHL Chloramphenicol; CIP Ciprofloxacin; CRO Ceftriaxone; ERY Erythromycin; GEN Gentamicin; NAL Nalidixic acid; SAM Ampicillin-sulbactam; SXT Trimethoprim-sulfamethoxazole; TET Tetracycline