sulpha drug BrE
sulphonamide BrE
sulfa drug AmE
sulfonamide AmE

Without sulfa drugs or modern antibiotics, heat was the only defense against a bacterial infection.

If you are allergic to sulfa drugs, tell your doctor.

A hypo full of sulfa drugs doesn't have to be kept secret.

He went on to develop a succession of life-saving sulfa drugs.

The aim of the new program will be to detect antibiotics and sulfa drugs.

His scholarship wasn't good enough to make sulfa drugs or penicillin, but something simple like that would be no problem at all.

At these very low levels many additional samples showed traces of sulfa drugs that could not be confirmed.

By the 1940s, over 500 related sulfa drugs were produced.

Some people don't respond well at all to sulfa drugs.

It was a time when doctors were first using sulfa drugs to cure pneumonia.