sulfamethoxazole

• sulphamethoxazole

From sulfa- (“sulfonamide”) +‎ meth- +‎ (is)oxazole.

• (Received Pronunciation) IPA^(key): /ˌsʌl.fə.mɪˈtɒk.sə.zəʊl/
• (General American) IPA^(key): /ˌsʌl.fəˌmɛˈθɑk.səˌzoʊl/

sulfamethoxazole (uncountable)

1. (pharmacology) An antibacterial sulfonamide C₁₀H₁₁N₃O3S used alone or in combination with trimethoprim (as in the treatment of urinary tract infections or acute otitis media).

• “sulfamethoxazole”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
• “sulfamethoxazole”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.