cotrimoxazole

C3O1T1R1I1M3O1X8A1Z10O1L1E1

noun

A sulfonamide antibacterial combination of trimethoprim and sulfamethoxazole, in the ratio of 1 to 5, used in the treatment of a variety of bacterial infections.

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Meanings

nouncotrimoxazole (uncountable)

alternative co-trimoxazole

  1. uncountableA sulfonamide antibacterial combination of trimethoprim and sulfamethoxazole, in the ratio of 1 to 5, used in the treatment of a variety of bacterial infections.

    Because pediatricians are concerned that prolonged use of cotrimoxazole could lead to resistant malaria, they often stop the drug among AIDS patients when tests show significant improvement in the health of their immune system after antiretroviral therapy.

    2007 March 1, Lawrence K. Altman, “Project Curbs Malaria in Ugandan Group”, in New York Times

Origin

From co- + blend of trimethoprim + sulfamethoxazole.

Full word history & related roots →
Cite this entry
APA

cotrimoxazole. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/cotrimoxazole

MLA

“cotrimoxazole.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/cotrimoxazole. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “cotrimoxazole,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/cotrimoxazole.

Source: cotrimoxazole on Wiktionary, CC BY-SA 4.0.