One of a group of diazine derivatives of sulfanilamide, the pyrimidine analog of sulfapyridine and sulfathiazole; one of the components of the triple sulfonamide mixture. It is an inhibitor of bacterial folic acid synthesis, which has been highly effective against pneumococcal, staphylococcal, and streptococcal infections, against infections with Escherichia coli and Klebsiella pneumoniae, and in acute gonococcal arthritis; s. sodium has the same uses.
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sul·fa·di·a·zine or chiefly Brit sul·pha·di·a·zine .səl-fə-'dī-ə-.zēn n a sulfa drug C10H10N4O2S that is used esp. in the treatment of toxoplasmosis
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n.
a drug of the sulphonamide group that is used to prevent the recurrence of rheumatic fever and to treat toxoplasmosis. It is administered by mouth or injection.
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sul·fa·di·a·zine (sul″fə-diґə-zēn) [USP] a sulfonamide used, frequently in combination with other sulfonamides, in the treatment of infections due to susceptible organisms, including nocardiosis, toxoplasmosis, otitis media caused by susceptible strains of Haemophilus influenzae, streptococci, and pneumococci, and falciparum malaria caused by chloroquine-resistant plasmodia. It is administered orally. See also under silver.Medical dictionary. 2011.