NPLEX II Pharmacology Practice Test

In pregnancy, the choice of a drug hinges on evidence that it won’t harm the developing fetus. Azithromycin has a well-established safety profile in this setting, with clinical data showing no clear increase in birth defects or adverse pregnancy outcomes. That makes it a preferred option among antibiotics when pregnancy-safe treatment is needed. Its safety is why it’s described as safe in pregnancy in the material.

Amantadine, on the other hand, carries more concerns for fetal effects and isn’t considered reliably safe in pregnancy. Adefovir is another antiviral with potential toxicity to the fetus and limited safety data in pregnancy. Oseltamivir has some data supporting use when benefits outweigh risks, but it isn’t labeled as clearly safe as azithromycin in standard pregnancy guidance.