Standard Lemma guide

sulfamethoxazole

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Received-Pronunciation: /ˌsʌl.fə.mɪˈtɒk.sə.zəʊl/
  • General-American: /ˌsʌl.fəˌmɛˈθɑk.səˌzoʊl/

1

noun

Meaning 1

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

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: medicine, pharmacology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a sulfonamide (trade name Gantanol) used to treat infections (especially infections of the urinary tract)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: Gantanol

Antonyms: none provided

Broader terms: sulfa drug, sulfa, sulpha, sulfonamide

History

Etymology

Etymology tree English sulfon(ic acid) Egyptian jmnbor. Ancient Greek Ᾰ̓́μμων (Ắmmōn)bor. Latin Ammōn Latin ammoniacusder. English ammonia Proto-Indo-European *dheh1-der. Proto-Italic *-iðos Latin -idusder. English -ide English amide English sulfonamide English sulfa- English meth- English is- English oxi- English -a- Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Hellenic *ə- Ancient Greek ᾰ̓- (ă-) Proto-Indo-European *gweyh3- Proto-Indo-European *-wós Proto-Indo-European *gwih3wós Proto-Indo-European *gwíh3weti Proto-Hellenic *gwyṓw-ō Proto-Hellenic *ďṓwō Ancient Greek ζώω (zṓō) Ancient Greek ζῶ (zô) Proto-Indo-European *-h2 Proto-Indo-European *-éh2 Ancient Greek -ᾱ (-ā) Ancient Greek -η (-ē) Ancient Greek ζωή (zōḗ) French azotebor. English azote English azo- English -ole English azole English oxazole English (is)oxazole English sulfamethoxazole From sulfa- (“sulfonamide”) + meth- + (is)oxazole.

Across languages

Translations

3 source translations are retained for this English entry.

  • Czech: sulfamethoxazol — Translations
  • Czech: sulfametoxazol — Translations
  • Spanish: sulfametoxazol — Translations