Tag: Benzathine penicillin g

While overall STI rates have shown some decline, congenital syphilis cases in the U.S. increased for the 12th consecutive year in 2024. So, what is the main drug used to treat syphilis? For decades, the answer has remained injectable Penicillin G.

Globally, millions of doses of benzathine penicillin are used annually to treat bacterial infections; it's the first-line treatment for syphilis and for preventing rheumatic fever. So, what is benzathine for and how does this essential long-acting antibiotic work?