GNH USA

Europe — EMA

Nitrofurantoin Glenmark Pharmaceuticals

GNH USA supplies Nitrofurantoin Glenmark Pharmaceuticals (Nitrofurantoin), a nitrofuran antibiotic for uncomplicated urinary tract infections and acute

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What is Nitrofurantoin?

Nitrofurantoin, the active ingredient in Nitrofurantoin Glenmark Pharmaceuticals, is a nitrofuran antibiotic presented as an oral dosage form for systemic use. It treats uncomplicated urinary tract infections and acute cystitis in adult patients by targeting susceptible bacteria in the urinary tract.

GNH USA supplies Nitrofurantoin Glenmark Pharmaceuticals as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide, with a focus on reliable quality, regulatory compliance and timely delivery across EU and global markets, and specialized care providers.

What is Nitrofurantoin used for?

Nitrofurantoin is a nitrofuran antibiotic used to treat infections of the urinary tract.

Uncomplicated urinary tract infections: eradicates susceptible uropathogens and resolves symptoms. Acute cystitis: reduces bacterial load and alleviates bladder inflammation. Prophylaxis of recurrent urinary infections: may be prescribed to prevent repeat episodes in selected patients.

What are the side effects of Nitrofurantoin?

Adverse reactions may occur with nitrofurantoin therapy.

Common Side Effects: - Nausea: mild to moderate stomach upset. - Loss of appetite: reduced desire to eat. - Headache: transient cranial discomfort. - Diarrhoea: loose stools. - Metallic taste: altered taste perception. - Rash: mild skin irritation.

Serious or Rare Side Effects: - Pulmonary toxicity: acute or chronic lung inflammation. - Hepatic injury: elevated liver enzymes or hepatitis. - Severe allergic reactions: anaphylaxis or angioedema. - Hemolytic anemia: especially in G6PD‑deficient individuals. - Peripheral neuropathy: numbness or tingling in extremities. - Severe skin reactions: Stevens‑Johnson syndrome or toxic epidermal necrolysis.

What precautions apply to Nitrofurantoin?

Nitrofurantoin requires careful use in certain populations and conditions.

Renal function: assess creatinine clearance before initiating therapy. Pregnancy: avoid unless clearly needed; safety not established. Elderly patients: monitor renal function and adjust use accordingly. Allergy: discontinue if hypersensitivity to nitrofurantoin or other nitrofurans occurs. Drug interactions: review concomitant medications for potential effects. Store at below 25°C: keep in the original pack, protect from moisture and direct sunlight.

What does Nitrofurantoin interact with?

Nitrofurantoin may 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, raising toxicity risk.

Moderate Interactions (Monitor Closely): - Warfarin: potential enhancement of anticoagulant effect; monitor INR. - Diuretics: may affect renal clearance; observe renal function. - Oral contraceptives: possible reduction in contraceptive efficacy; consider alternative methods.

Frequently asked questions

What is Nitrofurantoin Glenmark Pharmaceuticals used for?+
Nitrofurantoin Glenmark Pharmaceuticals is an oral nitrofuran antibiotic indicated for the treatment of uncomplicated urinary tract infections and acute cystitis caused by susceptible bacteria. It works by eradicating the pathogens within the urinary tract, helping to resolve infection‑related symptoms.
How does Nitrofurantoin work?+
Nitrofurantoin exerts a bactericidal effect by entering bacterial cells and disrupting carbohydrate metabolism, which leads to the formation of toxic intermediates that damage bacterial DNA, proteins and cell‑wall synthesis. High concentrations in urine make it especially effective against common uropathogens.
What is the usual dose of Nitrofurantoin?+
The prescribed dose of Nitrofurantoin is determined by the treating clinician based on infection severity, renal function and individual patient characteristics. Dosage regimens are individualized and must follow the prescriber’s specific instructions.
Is Nitrofurantoin safe in pregnancy or breastfeeding?+
Safety data for Nitrofurantoin in pregnancy are limited; it is generally avoided during the first trimester and not recommended for routine use unless the benefits clearly outweigh the risks. Caution is also advised for breastfeeding mothers, and a healthcare professional should evaluate the risk‑benefit profile.
How do I order Nitrofurantoin Glenmark Pharmaceuticals from GNH USA?+
Submit an inquiry 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 necessary import documentation.
How does Nitrofurantoin compare with other urinary anti‑infectives?+
Compared with agents such as trimethoprim‑sulfamethoxazole or fluoroquinolones, Nitrofurantoin offers a narrow spectrum focused on common uropathogens and a lower propensity for promoting resistance. However, it is contraindicated in patients with significant renal impairment, whereas some alternatives may be used in that population.
What are the storage and handling requirements for Nitrofurantoin?+
Store Nitrofurantoin at below 25 °C in the original packaging, protected from moisture and direct sunlight. Keep the container tightly closed and out of reach of children. Do not use the product if it shows signs of damage, discoloration or compromised integrity.
How is Nitrofurantoin administered?+
Nitrofurantoin is taken orally, usually with food or a full glass of water to improve absorption and reduce gastrointestinal irritation. The tablet should be swallowed whole and not chewed or crushed unless specifically instructed by a healthcare professional.
What are the most serious risks associated with Nitrofurantoin?+
Serious adverse reactions can include pulmonary toxicity (acute or chronic lung disease), severe hepatic injury, hemolytic anemia especially in patients with G6PD deficiency, and peripheral neuropathy. Prompt medical attention is required if symptoms such as shortness of breath, jaundice, dark urine or numbness develop.
Who should not use Nitrofurantoin?+
Patients with severe renal impairment (creatinine clearance below 30 mL/min), known hypersensitivity to nitrofurantoin or other nitrofurans, and those with a history of pulmonary or hepatic reactions to the drug should avoid its use. A clinician must evaluate suitability before initiating therapy.
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.

Product details

Drug
Nitrofurantoin
Route
Oral Use
Manufacturer
Glenmark Pharmaceuticals Europe Limited
Origin
EU

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