GNH USA

Europe — EMA

Nitrofurantoin Rph Pharma

GNH USA supplies Nitrofurantoin Rph Pharma (Nitrofurantoin), a nitrofuran antibiotic for urinary tract infections and cystitis. Request a quote for supply.

Nitrofurantoin

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What is Nitrofurantoin?

Nitrofurantoin, the active ingredient in Nitrofurantoin Rph Pharma, is a nitrofuran antibiotic presented as an oral tablet for oral use. It treats uncomplicated urinary tract infections, including cystitis, and may be employed to prevent recurrent infections in appropriate patients.

GNH USA supplies Nitrofurantoin Rph Pharma as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide. The company adheres to stringent quality standards and provides reliable logistics for global distribution, ensuring product integrity from manufacturing to delivery across regulatory jurisdictions.

What is Nitrofurantoin used for?

Nitrofurantoin is a nitrofuran antibiotic that acts on bacteria causing urinary tract infections. - Uncomplicated urinary tract infections: eliminates the causative bacteria, relieving symptoms such as dysuria and frequency. - Cystitis: treats bladder infection and promotes rapid symptom resolution. - Recurrent urinary tract infection prophylaxis: used in low‑dose regimens to reduce the frequency of future infections.

What are the side effects of Nitrofurantoin?

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

Common Side Effects: - Nausea - Loss of appetite - Urine discoloration

Serious or Rare Side Effects: - Pulmonary toxicity (interstitial pneumonitis) - Hepatic injury (elevated liver enzymes) - Severe allergic reactions (rash, Stevens‑Johnson syndrome)

What precautions apply to Nitrofurantoin?

When prescribing Nitrofurantoin, consider the following precautions: - Monitor renal function: adjust or avoid use in patients with creatinine clearance below 60 mL/min. - Assess for hypersensitivity: discontinue if rash, pruritus or anaphylaxis occurs. - Use with caution in elderly: increased risk of gastrointestinal upset and pulmonary reactions. - Screen for G6PD deficiency: risk of hemolytic anemia in deficient individuals. - Store at room temperature: keep in original packaging, protect from moisture and heat.

What does Nitrofurantoin interact with?

Nitrofurantoin can interact with several medicines; awareness helps avoid reduced efficacy or increased toxicity.

Major Interactions (Avoid): - Antacids containing magnesium or aluminum: decrease nitrofurantoin absorption. - Probenecid: may increase nitrofurantoin plasma concentrations, raising toxicity risk.

Moderate Interactions (Monitor Closely): - Fluoroquinolones: possible antagonistic effect reducing antibacterial efficacy. - Warfarin: may enhance anticoagulant effect; monitor INR. - Sulfonylurea antidiabetic agents: may increase risk of hypoglycemia.

Frequently asked questions

What is Nitrofurantoin Rph Pharma used for?+
Nitrofurantoin Rph Pharma is an oral nitrofuran antibiotic indicated for the treatment of uncomplicated urinary tract infections, including bladder infection (cystitis). It may also be prescribed in low‑dose regimens to help prevent recurrent urinary infections in patients with a history of repeated episodes.
How does Nitrofurantoin work?+
The drug is reduced by bacterial flavoprotein enzymes to reactive metabolites that bind bacterial DNA and proteins. This causes oxidative damage and blocks macromolecular synthesis, halting bacterial growth and leading to cell death, especially in common urinary pathogens such as Escherichia coli.
What is the usual dose of Nitrofurantoin?+
The appropriate dose of Nitrofurantoin is determined by the prescribing clinician based on the type and severity of infection, the patient’s renal function, age, and other clinical factors. Dosage regimens are individualized and should follow the prescriber’s instructions.
Is Nitrofurantoin safe in pregnancy or breastfeeding?+
Nitrofurantoin’s pregnancy safety category is listed as unknown. It should only be used during pregnancy or while breastfeeding when the potential benefits outweigh any possible risks, and after a thorough discussion with a qualified healthcare professional.
How do I order Nitrofurantoin Rph Pharma from GNH USA?+
To place an order, submit an enquiry on the product page at gnh-usa.com, specifying the required quantity. GNH USA 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.
How does Nitrofurantoin compare with other urinary antibiotics?+
Compared with agents such as trimethoprim‑sulfamethoxazole or fosfomycin, Nitrofurantoin offers a narrow spectrum focused on common urinary pathogens and achieves high urinary concentrations. It is often chosen when resistance to broader‑spectrum agents is a concern, though it requires adequate renal function for optimal efficacy.
How should Nitrofurantoin be stored and handled?+
Nitrofurantoin tablets should be stored at room temperature, below 25 °C, in the original container to protect them from moisture and light. Keep the product out of reach of children and avoid storing in damp or excessively hot environments.
How is Nitrofurantoin administered?+
The medication is taken orally, usually with a full glass of water. It can be taken with or without food, but some patients find taking it with meals reduces gastrointestinal upset. Tablets should be swallowed whole and not crushed or chewed unless specifically directed by a healthcare provider.
What are the most serious risks associated with Nitrofurantoin?+
Serious adverse reactions include pulmonary toxicity (interstitial pneumonitis or fibrosis), hepatic injury (elevated enzymes or hepatitis), severe allergic responses such as Stevens‑Johnson syndrome, hemolytic anemia in patients with G6PD deficiency, and peripheral neuropathy. Prompt medical attention is required if any of these symptoms develop.
Who should not use Nitrofurantoin?+
Nitrofurantoin should be avoided in patients with severe renal impairment (creatinine clearance < 60 mL/min), known hypersensitivity to nitrofurantoin or other nitrofuran compounds, G6PD deficiency, and in late‑term pregnancy unless clearly indicated. Clinicians should also exercise caution in elderly patients and those with pre‑existing lung or liver disease.
Information provided on this page is for educational use by procurement and clinical professionals. Always consult a licensed healthcare provider for medical advice and prescribing decisions. GNH USA supplies this product subject to applicable regulatory and licensing requirements.
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Product details

Drug
Nitrofurantoin
Route
Oral Use
Manufacturer
Rph Pharmaceuticals Ab
Origin
EU

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