Emergence of Haemophilus ducreyi resistance to trimethoprim- sulfamethoxazole in Rwanda

E Van Dyck, J Bogaerts, H Smet, WM Tello, V Mukantabana, P Piot

    Research output: Contribution to journalA1: Web of Science-article

    Abstract

    The in vitro susceptibilities of 112 clinical isolates of Haemophilus ducreyi to six antimicrobial agents were determined. These isolates were obtained in Kigali, Rwanda, during three studies on genital ulcer disease performed in 1986 (18 isolates), 1988 (23 isolates), and 1991 (71 isolates). All H. ducreyi isolates were susceptible to azithromycin, ceftriaxone, ciprofloxacin, and erythromycin; all isolates obtained in 1986 were also susceptible to trimethoprim and to the combination trimethoprim-sulfamethoxazole. In contrast, 39 and 9% of the isolates obtained in 1988 and 59 and 48% of the isolates obtained in 1991 were resistant to trimethoprim (MIC, > or = 4.0 mg/liter) and trimethoprim-sulfamethoxazole (MIC, < or = 4.0/76 mg/liter), respectively. These data indicate that trimethoprim-sulfamethoxazole can no longer be recommended for use in the treatment of chancroid in Rwanda, and possibly elsewhere in Africa
    Original languageEnglish
    JournalAntimicrobial Agents and Chemotherapy
    Volume38
    Pages (from-to)1647-1648
    ISSN0066-4804
    Publication statusPublished - 1994

    Keywords

    • B780-tropical-medicine
    • Bacterial diseases
    • Haemophilus ducreyi
    • Drug resistance
    • Trimethoprim-sulfamethoxazole
    • Chancroid
    • Rwanda
    • Kigali
    • Africa-Central

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