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Prospective study of the impact of broad-spectrum antibiotics on the yeast flora of the human gut

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Abstract

The effects of four antibiotics on the yeast flora of the human gut were evaluated. Forty adult cancer patients who received therapy with amoxicillin-clavulanate, ciprofloxacin, sulfamethoxazole-trimethoprim or ampicillin were studied prospectively. Quantitative stool cultures for yeasts were performed immediately before, at the end of and one week after the end of the antibiotic treatment. Amoxicillin-clavulanate caused a higher and more persistent increase in gastrointestinal colonization by yeasts compared to ciprofloxacin, sulfamethoxazole-trimethoprim or ampicillin. The present results are similar to those obtained in a mouse model of gastrointestinal colonization byCandida albicans when the same antibiotics were used.

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Samonis, G., Gikas, A., Toloudis, P. et al. Prospective study of the impact of broad-spectrum antibiotics on the yeast flora of the human gut. Eur. J. Clin. Microbiol. Infect. Dis. 13, 665–667 (1994). https://doi.org/10.1007/BF01973996

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