Furadantin

Furadantin is a prescription medication used to treat urinary tract infections. Furadantin belongs to a group of drugs called nitrofuran antibiotics. These agents work by stopping the growth of bacteria.

This medication is available as an oral suspension. It is taken four times a day, with food.

Common side effects of Furadantin include diarrhea, stomach upset, dizziness, and drowsiness. Do not drive or operate heavy machinery until you know how Furadantin affects you.

Furadantin is a prescription medication used to treat urinary tract infections.

This medication may be prescribed for other uses. Ask your doctor or pharmacist for more information.

Take this medication exactly as prescribed by your doctor. Follow the directions on your prescription label carefully.

The dose your doctor recommends may be based on the following:

• the condition being treated
• other medical conditions you have
• other medications you are taking
• how you respond to this medication
• your weight
• your age

Treatment of urinary tract infections

The recommended dose range of Furadantin for the treatment of urinary tract infection in adults is 50-100 mg four times daily. The lower dosage level is recommended for uncomplicated urinary tract infections.

Pediatric Patients: 5-7 mg/kg of body weight per 24 hours, given in four divided doses. Furadantin use is not recommended in infants younger than one month of age.

Therapy should be continued for one week or for at least 3 days after urine shows no bacteria. Your doctor will determine how long you will be treated.

Prevention of urinary tract infections

• The recommended dose in adults is 50-100 mg at bedtime.
• The recommended dose in in pediatric patients, doses as low as 1 mg/kg per 24 hours, given in a single dose or in two divided doses, may be given.

Serious side effects have been reported with Furadantin including the following:

• Lung problems (pulmonary hypersensitivity reactions). Tell your healthcare provider right away if you have some or all of the following symptoms:
  • malaise
  • dyspnea
  • cough
• Liver problems
• Peripheral neuropathy (nerve problems)
• Clostridium difficile- associated diarrhea

Furadantin can cause drowsiness. Do not drive or operate heavy machinery until you know how Furadantin affects you.

Do not take Furadantin if you:

• are known hypersensitivity/allergy to Furadantin or to any of its ingredients
• significant impairment of renal function
• pregnant patients at term (38-42 weeks gestation) as well as  during labor and delivery
• in patients with a previous history of cholestatic jaundice/hepatic dysfunction associated with Furadantin

Serious side effects have been reported with Furadantin. See "Precautions" section.

Common side effects of Furadantin include the following:

• diarrhea
• upset stomach
• dizziness
• drowsiness
• constipation
• vomiting

This is not a complete list of Furadantin side effects. Ask your doctor or pharmacist for more information.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

Tell your doctor about all the medicines you take, including prescription and non-prescription medicines, vitamins, and herbal supplements. Especially tell your doctor if you take:

• Antacids containing magnesium such as aluminum hydroxide or magnesium hydroxide (Mylanta)
• Uricosuric drugs such as probenecid (Benemid)

This is not a complete list of Furadantin drug interactions. Ask your doctor or pharmacist for more information.

Tell your doctor if you are pregnant or plan to become pregnant.

The FDA categorizes medications based on safety for use during pregnancy. Five categories - A, B, C, D, and X, are used to classify the possible risks to an unborn baby when a medication is taken during pregnancy.

Furadantin falls into category B. There are no well-done studies that have been done in humans with Furadantin. In animal studies, pregnant animals were given this medication, and the babies did not show any medical issues related to this medication.

Tell your doctor if you are breastfeeding or plan to breastfeed.

Furadantin has been detected in human breast milk. Because of the possibility for adverse reactions in nursing infants from Furadantin, a choice should be made whether to stop nursing or to stop use of this medication. The importance of the drug to the mother should be considered.

Take nitrofurantoin until you finish the prescription, even if you feel better.

If taking the suspension, shake the liquid well before each use to mix the medication evenly. Use a dose-measuring spoon or cup to measure the correct amount of liquid for each dose; not a household spoon.

It is recommended to take this medication with food an a full glass of water.

Tell your doctor if you have kidney problems.