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Drug Class: Commonly Known As: Category:
Antibiotic Adult, Children

Nitrofurantoin - What is it for

Nitrofurantoin is an antibiotic that is used to eliminate bacteria that can cause certain kinds of infections of the bladder and kidneys.

Nitrofurantoin - Side Effects, Precautions, and Contraindications

What side effects can Nitrofurantoin cause?

  • Upset stomach (diarrhea, nausea, vomiting) Be sure to take nitrofurantoin with food or a glass of milk. If you or your child do and still have stomach upsets, contact your doctor.
  • Skin rash, difficulty in breathing, chills, fever. Stop taking the medication, and consult doctor immediately.
  • Dark yellow urine. This side effect is harmless and is reversible upon discontinuation of treatment.
  • Numbness and pin-prick sensation in finger and toes. Contact your doctor.

Before taking Nitrofurantoin, what precautions must I follow?

  • Inform your doctor if you or your child have glucose-6- phosphate dehydrogenase (G6PD) deficiency.
  • Inform your doctor if you or your child have kidney disease, or if you are pregnant and within a few weeks of delivery date, or if you are breastfeeding.

What food or medicine must I avoid when I take Nitrofurantoin?

Nitrofurantoin - Dosage and How to Use

How should Nitrofurantoin be used?

Your doctor has determined how often you or your child should take this medication. To be effective, doses of Nitrofurantoin should be taken at intervals as far apart as possible and evenly spaced. For example, if your doctor tells you to administer it four times a day, it is best to take one dose every six hours. However, if you or your child cannot take it at recommended time, you or your child may still take it at evenly spaced intervals between the time you or your child wake up in the morning and the time you or your child go to bed at night (for example, at 7am, noon, 5pm and 10pm).

Nitrofurantoin tablets should be taken with meals or with a full glass of milk or water.

What should I do if I miss a dose?

Administer the missed dose as soon as you remember it. Take any remaining doses for that day at evenly spaced intervals.

What should I do if I overdose?

Nitrofurantoin - Handling and Storage

How should I handle Nitrofurantoin safely?

How should I store Nitrofurantoin?

Keep away from children;#Keep in a cool, dry place, away from direct sunlight;#Store at room temperature;#

How should I dispose of Nitrofurantoin safely?

Nitrofurantoin - Additional Information

Drink at least 8 full 8-ounce glasses of water or other liquid every day.

Be sure to complete the whole course as prescribed, even though symptoms of the infection may have disappeared.

Consult your doctor if you or your child still have symptoms of the infection after completing the course.

​Click here for more information on Nitrofurantoin used as Antibiotics.

  • Updated on Tuesday, October 3, 2017
  • Article contributed by Pharmacy Department KK Women's and Children's Hospital

    The information provided is not intended as medical advice. Terms of use. Information provided by SingHealth

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