Bladder Home > Nitrofurantoin Dosage
If you are an adult taking nitrofurantoin in the form of Macrodantin or Furadantin, the recommended dose for treating a UTI is 50 to 100 mg four times daily, continued for at least three days after the infection has cleared. If you are taking it in the form of Macrobid, the recommended dosage of nitrofurantoin is 100 mg twice daily for seven days.
An Introduction to Dosing With NitrofurantoinThe dose of nitrofurantoin (Furadantin®, Macrobid®, Macrodantin®) your healthcare provider recommends will vary, depending on various factors, such as:
- The particular nitrofurantoin product
- Your age
- Your weight (for children)
- Whether you are taking this medication to treat or to prevent bladder infections.