Europe — EMA
Nitrofurantoin Orifarm
GNH USA supplies Nitrofurantoin Orifarm (Nitrofurantoin), a nitrofuran antibacterial for urinary tract infections and cystitis.
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What is Nitrofurantoin?
Nitrofurantoin, the active ingredient in Nitrofurantoin Orifarm, is a nitrofuran antibacterial presented as an oral tablet for oral use. It treats uncomplicated urinary tract infections, including cystitis, in adult patients. GNH USA supplies Nitrofurantoin Orifarm as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.
What is Nitrofurantoin used for?
Nitrofurantoin is used to treat infections of the urinary tract by targeting common uropathogens. - Uncomplicated urinary tract infections: provides bactericidal activity that eradicates the causative bacteria. - Cystitis: clears infection and relieves urinary symptoms. - Lower urinary tract infections: effective against Escherichia coli and other typical urinary pathogens.
What are the side effects of Nitrofurantoin?
Nitrofurantoin may cause a range of adverse reactions, from mild to severe.
Common Side Effects: - Nausea: mild to moderate upset stomach. - Diarrhea: loose stools that may be transient. - Headache: occasional mild headache during therapy. - Loss of appetite: reduced desire to eat. - Metallic taste: transient alteration of 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: rash, Stevens‑Johnson syndrome, or anaphylaxis. - Hemolytic anemia: especially in patients with G6PD deficiency. - Peripheral neuropathy: numbness or tingling in extremities.
What precautions apply to Nitrofurantoin?
Before prescribing Nitrofurantoin, clinicians should consider several safety factors. - Renal function: avoid or adjust dose in patients with impaired renal clearance. - Pregnancy: safety category unknown; use only if benefits outweigh risks. - G6PD deficiency: risk of hemolysis; contraindicated in affected individuals. - Elderly patients: monitor for pulmonary and hepatic toxicity. - Concomitant antacids: may reduce absorption; separate administration by at least 2 hours. - Store at room temperature: keep in the original pack, protect from moisture.
What does Nitrofurantoin interact with?
Nitrofurantoin can interact with other medicines, altering its effectiveness or safety.
Major Interactions (Avoid): - Antacids containing magnesium or aluminum: markedly reduce absorption. - Probenecid: increases nitrofurantoin plasma levels, raising toxicity risk. - Warfarin: may potentiate anticoagulant effect and raise INR. - Oral contraceptives: possible reduction in contraceptive efficacy.
Moderate Interactions (Monitor Closely): - NSAIDs: combined use may worsen renal function. - Allopurinol: may increase risk of hypersensitivity reactions. - Methenamine: concurrent use can diminish antimicrobial activity.
Frequently asked questions
What is Nitrofurantoin Orifarm used for?+
How does nitrofurantoin work?+
What is the usual dose of Nitrofurantoin Orifarm?+
Is Nitrofurantoin Orifarm safe during pregnancy or breastfeeding?+
How do I order Nitrofurantoin Orifarm from GNH USA?+
How does Nitrofurantoin compare with other urinary antiseptics?+
What are the storage and handling requirements for Nitrofurantoin Orifarm?+
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