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sulphonamide Line breaks: sul|phona¦mide
Pronunciation: /sʌlˈfɒnəmʌɪd/
(also sulfonamide)

Definition of sulphonamide in English:


Any of a class of synthetic drugs, derived from sulphanilamide, which are able to prevent the multiplication of some pathogenic bacteria.
Example sentences
  • This has been shown to occur with penicillin, valproic acid, quinidine, sulfonamides, cimetidine and heparin.
  • The authors did not mention whether additional therapy could be used or how acute relapse was managed, although they prohibited patients from using antibiotics, sulfonamides, or steroids at entry to the study.
  • Drugs that have been implicated include penicillin, aminopenicillins, sulfonamides, allopurinol, thiazides, quinolones, hydantoins, and propylthiouracil.


Late 19th century: from sulphone + amide.

Definition of sulphonamide in:
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