Sulfa drug

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Any sulfur-containing drug molecule may be known as a sulfa drug. The sulfa drug category is important because many patients who are allergic to one sulfa drug are likely to be allergic to others. The term may also refer to the antibacterial sulfonamides.

These drugs are typically a broad-range spectrum drug and can be use to treat shigellosis, acute urinary tract infections, and certain protozoan infections. They are entirely synthesized in the laboratory.