Nitrofurantoina Arena

Nitrofurantoin, the active ingredient in Nitrofurantoina Arena, is a nitrofuran presented as an oral dosage form for oral administration. It is used to treat uncomplicated urinary tract infections, especially cystitis, by targeting bacterial pathogens in the urinary tract of adult patients. The drug is marketed throughout the European Union.

GNH USA supplies Nitrofurantoina Arena as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide, providing reliable sourcing and regulatory support for global distribution and ensuring product quality throughout the supply chain.

Nitrofurantoin is an oral urinary antiseptic that targets bacterial pathogens in the urinary tract and is employed in several clinical scenarios related to urinary infections.

Uncomplicated urinary tract infection: helps eradicate susceptible bacteria, relieving dysuria, frequency and urgency. Cystitis: treats bladder infection caused by susceptible organisms, leading to symptom resolution. Prophylaxis of recurrent urinary tract infection: may be prescribed for short‑term prevention in selected patients. Use in pregnancy (Category B): considered safe for treating urinary infections when benefits outweigh potential risks.

Common Side Effects: - Nausea or upset stomach - Loss of appetite - Headache - Diarrhea or loose stools - Darkening of urine - Metallic taste in the mouth

Serious or Rare Side Effects: - Pulmonary toxicity (e.g., interstitial pneumonitis) - Severe allergic reactions such as Stevens‑Johnson syndrome - Hemolytic anemia in patients with G6PD deficiency - Hepatotoxicity (liver injury) - Peripheral neuropathy - Acute kidney injury due to crystalluria

Precautions should be observed when prescribing Nitrofurantoina Arena.

Renal function: assess before initiating, avoid if creatinine clearance <60 mL/min. Pregnancy: Category B; use only if benefits outweigh risks. G6PD deficiency: contraindicated due to risk of hemolysis. Elderly patients: monitor for signs of pulmonary toxicity. Drug interactions: avoid concomitant use with antacids containing magnesium or aluminum. Store at room temperature: keep in original container, protect from moisture and light.

Nitrofurantoina Arena may interact with several medicines.

Major Interactions (Avoid): - Antacids containing magnesium or aluminum: reduce nitrofurantoin absorption. - Ciprofloxacin: antagonistic effect reducing antibacterial activity. - Methenamine: decreased efficacy when combined.

Moderate Interactions (Monitor Closely): - Warfarin: may increase INR and bleeding risk. - Diuretics: may increase risk of crystalluria. - Probenecid: may raise nitrofurantoin plasma levels, enhancing toxicity.