Product image of Neofuragina (Nitrofurantoin) supplied by GNH India

Neofuragina

Active Ingredient:
Nitrofurantoin
Origin:
EU

Neofuragina (Nitrofurantoin)

Nitrofurantoin, the active ingredient in Neofuragina, is a nitrofuran antibiotic presented as an oral tablet for oral use. It is employed to treat uncomplicated urinary tract infections caused by susceptible bacteria in adult patients. Nitrofurantoin works by disrupting bacterial carbohydrate metabolism, leading to bacterial cell death.

GNH India supplies Neofuragina as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Teva Pharmaceuticals Polska Sp. Z O.O.

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Indications & Clinical Uses

Neofuragina (nitrofurantoin) is indicated for infections of the urinary tract and related prophylaxis.

  • Uncomplicated urinary tract infection: eradicates susceptible uropathogens and relieves urinary symptoms.
  • Acute cystitis: provides rapid bacterial clearance in lower urinary tract infection.
  • Prophylaxis of recurrent urinary tract infection: reduces the frequency of repeat infections when used as a preventive regimen.

How It Works

  • Nitrofurantoin is reduced by bacterial flavoproteins to reactive intermediates that covalently modify bacterial macromolecules, especially those involved in carbohydrate metabolism. This inhibition disrupts essential enzymatic pathways, leading to bacterial cell death while sparing most human cells due to limited drug activation in mammalian tissues.

Side Effects

Nitrofurantoin may cause a range of adverse reactions, from mild to severe.

Common Side Effects

  • Nausea: mild to moderate upset stomach.
  • Loss of appetite: reduced desire to eat.
  • Headache: transient cranial discomfort.
  • Diarrhea: loose stools.
  • Mild rash: skin redness or itching.
  • Metallic taste: altered taste perception.

Serious or Rare Side Effects

  • Pulmonary toxicity: interstitial lung disease or acute respiratory distress.
  • Hepatic injury: elevated liver enzymes or hepatitis.
  • Severe allergic reactions: anaphylaxis or Stevens‑Johnson syndrome.
  • Hemolytic anemia in G6PD deficiency: rapid red‑cell destruction.
  • Peripheral neuropathy: tingling or numbness in extremities.

Precautions & Warnings

Before prescribing Neofuragina, clinicians should consider several safety aspects.

  • Renal function: assess creatinine clearance; avoid if severely impaired.
  • Pregnancy: avoid unless benefits outweigh potential risks; category unknown.
  • G6PD deficiency: contraindicated due to risk of hemolysis.
  • Elderly patients: monitor for pulmonary toxicity and renal clearance.
  • Concomitant antacids containing magnesium or aluminum: separate dosing to ensure absorption.
  • Store at room temperature: keep in the original container, protect from moisture and direct sunlight.

Avoid Interactions

Nitrofurantoin can interact with other medicines, requiring attention to avoid reduced efficacy or increased toxicity.

Major Interactions (Avoid)

  • Antacids containing magnesium or aluminum: markedly decrease nitrofurantoin absorption.
  • Probenecid: may increase nitrofurantoin plasma levels and toxicity.
  • Cimetidine: can raise serum concentrations, heightening adverse effects.

Moderate Interactions (Monitor Closely)

  • Warfarin: monitor INR for potential anticoagulant effect alteration.
  • Methenamine: assess urinary pH to maintain nitrofurantoin activity.
  • High‑dose vitamin C: may reduce nitrofurantoin efficacy by acidifying urine.

Frequently Asked Questions

Neofuragina contains nitrofurantoin and is prescribed to treat uncomplicated urinary tract infections, including acute cystitis, and to prevent recurrent infections in patients with a history of repeated episodes.

Nitrofurantoin is reduced by bacterial enzymes to reactive intermediates that bind to bacterial proteins and DNA, disrupting carbohydrate metabolism and other essential processes, which leads to bacterial cell death while having limited effect on human cells.

The dose of Neofuragina is determined by the prescribing clinician based on the patient’s infection severity, renal function, and other clinical factors. Patients should follow the exact regimen provided by their healthcare professional.

The pregnancy safety category for nitrofurantoin is not definitively established. It is generally avoided in the first trimester and near term unless the benefit outweighs potential risk. Limited data exist for breastfeeding; clinicians should assess risk before use.

To order, submit an enquiry on the Neofuragina product page at gnhindia.com, specifying the required quantity. GNH India works with hospitals, pharmacies, and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details and any required import documentation.

The most common alternative for uncomplicated UTIs is trimethoprim‑sulfamethoxazole. Nitrofurantoin is often preferred when resistance to trimethoprim‑sulfamethoxazole is high, as it achieves high urinary concentrations and has a different resistance profile, though it is contraindicated in patients with poor renal function.

Neofuragina tablets should be stored at room temperature, below 25 °C, in the original blister pack or container to protect from moisture and light. Keep out of reach of children and do not use after the expiry date.

Neofuragina is taken orally, usually with a full glass of water. It can be taken with food or on an empty stomach, but antacids containing magnesium or aluminum should be spaced at least two hours apart to avoid reduced absorption.

Serious risks include pulmonary toxicity (which may present as cough, fever, or shortness of breath), severe allergic reactions such as anaphylaxis or Stevens‑Johnson syndrome, hepatic injury, hemolytic anemia in patients with G6PD deficiency, and peripheral neuropathy.

Neofuragina should not be used by patients with severe renal impairment (creatinine clearance < 30 mL/min), known hypersensitivity to nitrofurantoin, G6PD deficiency, or those who are pregnant in the first trimester or near term unless the benefit clearly outweighs the risk.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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