Tell your doctor if you have kidney disease, anemia, diabetes, glucose-6-phosphate dehydrogenase (G6PD) deficiency, any type of debilitating disease, or vitamin B deficiency.

You may not be able to take nitrofurantoin, or you may require a dosage adjustment or special monitoring during treatment, if you have any of the conditions listed above.

Nitrofurantoin is in the FDA pregnancy category B. This means that it not likely to harm an unborn baby. However, nitrofurantoin should not be taken by pregnant women who are at term (38-42 weeks gestation), during labor and delivery, or when the onset of labor is imminent. Do not take nitrofurantoin without first talking to your doctor if you are pregnant.

Additionally, this medication passes into breast milk and may harm a nursing infant. Do not take this medication without first talking to your doctor if you are breast feeding a baby.

Nitrofurantoin should not be used by infants younger than 1 month of age. They cannot properly eliminate the drug from their bodies, and dangerous side effects could result.

Drugs that contain magnesium such as magnesium salicylate (Magan®) and choline-magnesium salicylate (Arthropan®) as well as antacids like Maalox®, Mylanta®, Milk of Magnesia®, Gelusil®, and others may decrease the amount of nitrofurantoin that gets absorbed into the body. Avoid taking medications that contain magnesium within two hours before and after a dose of nitrofurantoin.

 

FDA Information

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Other uses for this medicine

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In case of an emergency/overdose