Will my unborn baby be hurt after taking antibiotics for sinuses?

It depends: On the kind of antibiotic used, there are certian antibiotic we should aviod, chloramphenicol, tetracycline, the aminoglycoside group of antibiotics, including Kanamycin and streptomycin consult your obgyn for that, and read the attach article.

General rule: When we can give a specific antibiotic to your baby it will usually not bother them if we give it to you during pregnancy or breastfeeding. There are exceptions so you need to inform a treating doc of your pregnancy so they can select a med that is safe for your both.