Product image of Monural (Fosfomycin Trometamol) supplied by GNH India

Monural

Active Ingredient:
Fosfomycin Trometamol
Origin:
EU

Monural (Fosfomycin Trometamol)

Fosfomycin trometamol, the active ingredient in Monural, is an antibiotic presented as an oral dosage form for systemic use. It is employed to treat acute uncomplicated urinary tract infections, particularly cystitis, in adult patients. The drug achieves bacterial eradication with a single dose, targeting common uropathogens such as Escherichia coli.

GNH India supplies Monural as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide. Our global distribution network ensures reliable access to quality‑assured medicines across regulated markets, adhering to stringent manufacturing and supply standards.

Manufacturer / TM Owner

Zambon S.P.A.

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Indications & Clinical Uses

  • Monural is used to treat infections of the urinary tract by targeting the bacterial cause of cystitis.
  • Acute uncomplicated urinary tract infection (cystitis): provides rapid bacterial eradication with a single oral dose, relieving symptoms and preventing recurrence.

How It Works

  • Fosfomycin trometamol exerts its antibacterial effect by inhibiting the MurA enzyme (enolpyruvyl transferase), a key catalyst in the early stage of peptidoglycan synthesis. By blocking this step, the drug prevents formation of the bacterial cell wall, leading to cell lysis and death of susceptible Gram‑negative and Gram‑positive organisms.

Side Effects

Oral fosfomycin may be associated with a range of adverse reactions, most of which are mild and self‑limiting.

Common Side Effects

  • Nausea: mild stomach upset after ingestion.
  • Diarrhea: loose stools that usually resolve without treatment.
  • Headache: transient mild headache.
  • Abdominal discomfort: cramping or mild pain.

Serious or Rare Side Effects

  • Anaphylaxis: severe allergic reaction requiring immediate medical attention.
  • Stevens‑Johnson syndrome: rare but serious skin eruption.
  • Clostridioides difficile colitis: severe intestinal infection that may occur after antibiotic use.

Precautions & Warnings

Before prescribing Monural, clinicians should consider several precautionary measures to ensure safe use.

  • Renal function assessment: adjust use in patients with severe renal impairment.
  • Pregnancy and lactation: evaluate risk‑benefit, as safety data are limited.
  • Concomitant antibiotics: avoid use with agents that may antagonize fosfomycin activity.
  • History of hypersensitivity: contraindicated in patients with known allergy to fosfomycin or related compounds.
  • Store at ambient temperature: keep below 25 °C, retain in original packaging, protect from moisture.

Avoid Interactions

Fosfomycin can interact with other medicines, altering its efficacy or safety profile.

Major Interactions (Avoid)

  • Antacids containing divalent cations (e.g., calcium, magnesium, aluminium): significantly reduce fosfomycin absorption.
  • Probenecid: may increase fosfomycin plasma concentrations, raising risk of toxicity.

Moderate Interactions (Monitor Closely)

  • Warfarin: occasional reports of altered INR; monitor coagulation parameters.
  • Oral contraceptives: potential reduction in contraceptive effectiveness; advise additional non‑hormonal contraception.

Frequently Asked Questions

Monural contains fosfomycin trometamol and is indicated for the treatment of acute uncomplicated urinary tract infection (cystitis) in adult patients. It is used when a single‑dose oral therapy is appropriate to eradicate common uropathogens and relieve urinary symptoms.

Fosfomycin trometamol inhibits the bacterial MurA enzyme, which catalyzes the first step of peptidoglycan synthesis. By blocking this enzyme, the drug prevents formation of the bacterial cell wall, leading to osmotic instability, cell lysis, and death of susceptible bacteria.

The prescribed dose of Monural is determined by the treating physician based on local guidelines and patient characteristics. In most regions a single oral dose is recommended for uncomplicated cystitis, but the exact amount and any adjustments must follow the prescriber's order.

Safety data for fosfomycin trometamol in pregnancy and lactation are limited. It should only be used when the potential benefit to the mother outweighs any possible risk to the fetus or infant, and the decision must be made by a qualified healthcare professional.

To order Monural, submit an enquiry on the product page at gnhindia.com indicating the required quantity. GNH India 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.

Monural offers a single‑dose oral regimen, which can improve adherence compared with multi‑day courses such as nitrofurantoin or trimethoprim‑sulfamethoxazole. Its spectrum includes many common uropathogens, but local resistance patterns should guide selection, as some strains may be resistant to fosfomycin while remaining susceptible to other agents.

Monural should be stored at ambient temperature, preferably below 25 °C. Keep the product in its original packaging, protect it from moisture and direct sunlight, and ensure the container is tightly closed to maintain stability throughout its shelf life.

Monural is taken orally, usually with a full glass of water. It is often recommended to be taken on an empty stomach (at least 2 hours before or after a meal) to maximize absorption, unless the prescribing information advises otherwise.

Serious adverse reactions, although rare, include severe allergic responses such as anaphylaxis, skin disorders like Stevens‑Johnson syndrome, and Clostridioides difficile‑associated colitis. Patients should be instructed to seek immediate medical attention if they develop rash, swelling, difficulty breathing, or persistent diarrhea.

Monural is contraindicated in individuals with a known hypersensitivity to fosfomycin trometamol or any component of the formulation. Caution is also advised for patients with severe renal impairment, as dose adjustment may be required, and for those with a history of severe allergic reactions to other antibiotics.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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