infections
Aztreonam
Use of Aztreonam During Pregnancy and Breastfeeding
 should be taken during pregnancy only when the benefits of treatment outweigh the risks. No harmful effects on the fetus have been observed in animal studies, but no well-designed studies have been done in pregnant women. (See also Safety of Medications During Pregnancy .) during breastfeeding is generally considered acceptable. (See also Medication and Substance Use During Breastfeeding .) 