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|  |  | Web Pages |  | Sulfadiazine |  | A sulfa drug used in combination with pyrimethamine and leucovorin as maintenance treatment to prevent recurrence of toxoplasmosis. (Microsulfon) |  | Sulfadoxine |  | An antibiotic that has been used to prevent PCP. It may also be effective in preventing toxoplasmosis.(Fansidar). |  | Sulfamethazine |  | One of a class of drugs called sulfonamides used in combination to treat a variety of infections.(Triple Sulfa, Dayto Sulf, Gyne-Sulf, Sultrin, Trysul, VVS). |  | Sulfamethoxazole |  | For people with HIV disease, this drug is usually given in a combination form for prevention of PCP.(Gantanol, Urobak). |  |