You are here
Home > Renal > Nitrofurantoin

Feel free to use our complete database with charts, tables and examples.

Usual Dosing (Adults)

Macrodantin should be given with food to improve drug absorption and, in some patients, tolerance.

Adults: 50-100 mg four times a day -- the lower dosage level is recommended for uncomplicated urinary tract infections.

Macrobid: 100 mg q12h.

Renal Dosing

dialysis [CRCL >60]: Normal dose.

[0 - 59]: Avoid use.


dialysis Contraindicated


National Institutes of Health, U.S. National Library of Medicine, DailyMed Database.
Provides access to the latest drug monographs submitted to the Food and Drug Administration (FDA). Please review the latest applicable package insert for additional information and possible updates.  A local search option of this data can be found here.