Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025
Definition
Nitrofurantoin is an antibiotic specifically used to treat urinary tract infections. It works by inhibiting bacterial enzymes and interfering with cell wall synthesis.
5 Must Know Facts For Your Next Test
Nitrofurantoin is particularly effective against E. coli, a common causative agent of UTIs.
It is often prescribed in both acute and chronic urinary tract infections.
Nitrofurantoin is available in both macrocrystalline and monohydrate/macrocrystalline forms.
The drug is concentrated in the urine, which makes it less effective for systemic infections but ideal for UTIs.
Common side effects include gastrointestinal disturbances and hypersensitivity reactions.