Which antibiotic is commonly used to treat acute cystitis during pregnancy?

Macrobid, also known as nitrofurantoin, is commonly prescribed for treating acute cystitis, particularly in pregnant patients. This antibiotic is effective against the types of bacteria that typically cause urinary tract infections and is well-tolerated during pregnancy. It is considered relatively safe, especially when used in the second trimester, as it has a low risk of causing adverse effects to the fetus.

During pregnancy, it is essential to choose medications that minimize risks to both the mother and the developing baby. Macrobid is often favored because it is effective and poses fewer risks compared to some other antibiotics. The other options present challenges: Amoxicillin can be used, but its susceptibility can vary due to antibiotic resistance; Vancomycin, while effective against resistant organisms, is typically reserved for more severe infections; and Ciprofloxacin is generally avoided in pregnancy due to potential effects on fetal development. Thus, Macrobid stands out as the most appropriate choice for treating acute cystitis during pregnancy.