Which medication is an effective treatment for syphilis during pregnancy?

Benzathine penicillin G is the appropriate choice for treating syphilis during pregnancy due to its effectiveness against the Treponema pallidum bacterium, which causes the infection. This medication is a long-acting form of penicillin that provides sustained therapeutic levels in the bloodstream, ensuring the infection is treated effectively.

It is safe for both the mother and the developing fetus, making it the first-line treatment for syphilis in pregnant individuals to prevent congenital syphilis, which can have severe consequences for the newborn, including neurological and developmental issues. The use of benzathine penicillin G during pregnancy is well-supported by clinical guidelines, emphasizing its importance in managing syphilis in this vulnerable population.

In contrast, the other options are not suitable for treating syphilis during pregnancy. Amoxicillin, while an antibiotic, is not the recommended treatment for syphilis specifically, as it does not provide the same efficacy as benzathine penicillin G. Tetracycline is contraindicated in pregnancy due to its potential adverse effects on fetal development, particularly on teeth and bones. Metronidazole is effective against certain infections, particularly bacterial vaginosis and trichomoniasis, but it is not the appropriate choice for