Europe — EMA
Nitrofurantoin Milpharm (Nitrofurantoin, Macrocrystalline)
GNH USA supplies Nitrofurantoin Milpharm (Nitrofurantoin), a nitrofuran antibiotic for uncomplicated urinary tract infections and cystitis.
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What is Nitrofurantoin, Macrocrystalline?
Nitrofurantoin, the active ingredient in Nitrofurantoin Milpharm, is a nitrofuran antibiotic presented as a macrocrystalline oral formulation for oral use. It treats uncomplicated urinary tract infections, including cystitis, in adult patients. GNH USA supplies Nitrofurantoin Milpharm as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.
What is Nitrofurantoin, Macrocrystalline used for?
Nitrofurantoin is used to treat bacterial infections of the urinary tract. - Uncomplicated urinary tract infection: eradicates susceptible uropathogens and relieves symptoms. - Cystitis: clears bladder infection and reduces recurrence risk. - Acute uncomplicated cystitis: provides rapid bacterial clearance and symptom improvement.
What are the side effects of Nitrofurantoin, Macrocrystalline?
Nitrofurantoin may cause a range of adverse reactions.
Common Side Effects: - Nausea: mild to moderate stomach upset. - Diarrhea: loose stools occurring during therapy. - Headache: transient cranial discomfort. - Metallic taste: altered taste perception while taking the medication.
Serious or Rare Side Effects: - Pulmonary toxicity: interstitial lung disease or acute respiratory distress. - Hepatotoxicity: elevated liver enzymes or jaundice. - Hemolytic anemia: especially in patients with G6PD deficiency.
What precautions apply to Nitrofurantoin, Macrocrystalline?
Before prescribing Nitrofurantoin, consider the following safety measures. - Renal function assessment: ensure adequate creatinine clearance before use. - Avoid in severe renal impairment: contraindicated when CrCl < 30 mL/min. - Monitor for pulmonary symptoms: discontinue if dyspnea or cough develop. - Use with caution in G6PD deficiency: risk of hemolysis. - Limit duration of therapy: avoid prolonged courses unless clinically indicated. - Store below 25°C: keep in the original pack, protect from moisture.
What does Nitrofurantoin, Macrocrystalline interact with?
Nitrofurantoin can interact with several medicines, requiring attention to avoid reduced efficacy or increased toxicity.
Major Interactions (Avoid): - Antacids containing magnesium or aluminum: decrease drug absorption. - Probenecid: reduces renal excretion, increasing plasma levels. - Warfarin: may potentiate anticoagulant effect, raising INR.
Moderate Interactions (Monitor Closely): - NSAIDs: may increase risk of renal impairment. - Diuretics: can enhance nephrotoxic potential. - High‑dose vitamin C: may alter urinary pH and affect drug activity.



