Thận trọng khi dùng co-trimoxazol kháng khuẩn đường ruột
(SK&ĐS) - Co-trimoxazol là một trong những thuốc được sử dụng trong nhiễm khuẩn đường tiêu hóa (lỵ trực khuẩn, thương hàn...). Đây là một sulfamid kháng khuẩn gồm hai thành phần gồm sulfamethoxazol và trimethoprim với tỷ lệ 5/1 (sulfamethoxazol 5 phần, và trimethoprim 1 phần).  Sự phối hợp của hai thành phần này có tác dụng ức chế 2 giai đoạn liên tiếp của sự chuyển hóa acid folic, do đó ức chế có hiệu quả việc tổng hợp purin, thymin và cuối cùng là DNA của vi khuẩn nên có tác dụng diệt ...
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