Table 1 Species of bacteria in subjects with small intestinal bacterial overgrowth.
| Subject | Before treatment | After treatment | Responder |
|---|---|---|---|
| IBS‐C | 5×105Escherichia coli | — | No |
| IBS‐A | 106 mixed G‐flora | 106Klebsiella | No |
| 105Enterococci | 106Enterococci | ||
| 5×105Clostridium | 5×103Staphylococcus aureus | ||
| IBS‐C | 106 mixed G‐flora | 5×105Serratia | No |
| 105Enterococci | |||
| IBS‐D | 5×105Enterobacter | — | Yes |
| 105Staphylococcus aureus | |||
| IBS‐D | >107Klebsiella | 5×105Klebsiella | No |
| IBS‐A | 107E coli | 103E coli | Yes |
| IBS‐C | >107Enterococci | 106Klebsiella | Yes |
| 5×105 mixed G‐flora |
IBS‐A, alternating‐type irritable bowel syndrome; IBS‐C, constipation‐predominant IBS; IBS‐D, diarrhoea‐predominant IBS.
The amounts and different types of bacteria (cfu/ml) found in the cultures of the patients with small intestinal bacterial overgrowth before and after antibiotic treatment, as well as the effect of treatment (responder = ⩾25% symptom improvement). — no bacteria.