Antibiotics and Other Sulfonamides to Avoid If You Have a Sulfa Allergy Sulfa drugs are synthetic (man-made) medications made from sulfanilamide that contain antibacterial properties. Sulfa drugs were ...

One of the first U.S. trials of a sulfa drug was made in 1936 on a sinus infection of Franklin D. Roosevelt Jr. (he was cured). Since then interest in sulfa cures has centered around other ...

The Canadian researchers found that the antibiotics that were most likely to ilicit this reaction were cephalosporins and ...