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 ...

Receiving the drug could cause another allergic reaction ... the Shingrix vaccine does not contain sulfa. It’s safe to get Shingrix if you have a sulfa allergy. “Sulfa” refers to sulfonamide ...