Europe — EMA
Monuril (Fosfomycin Trometamol)
GNH USA supplies Monuril (Fosfomycin Trometamol), a phosphonic acid antibiotic for uncomplicated urinary tract infections. Request a quote for global supply.
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What is Fosfomycin Trometamol?
Fosfomycin Trometamol, the active ingredient in Monuril, is a phosphonic acid antibiotic presented as an oral tablet for oral use. It treats uncomplicated urinary tract infection in adult women and men who require a single‑dose regimen. GNH USA supplies Monuril as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.
What is Fosfomycin Trometamol used for?
Monuril is a phosphonic acid antibiotic used to treat infections of the lower urinary tract. - Uncomplicated urinary tract infection: provides a single oral dose that eradicates susceptible uropathogens. - Acute cystitis: relieves symptoms and clears bacterial growth in the bladder. - Recurrent UTI prophylaxis: may be used intermittently to reduce the frequency of future uncomplicated infections.
What are the side effects of Fosfomycin Trometamol?
Common side effects are generally mild and transient.
Common Side Effects: - Nausea: mild stomach upset after the dose. - Diarrhea: loose stools occurring within 24‑48 hours. - Headache: mild to moderate headache. - Abdominal pain: cramping or discomfort in the abdomen. - Dyspepsia: indigestion or heartburn. - Flatulence: increased gas production.
Serious or Rare Side Effects: - Allergic reaction: rash, itching, or swelling. - Severe skin rash: Stevens‑Johnson syndrome or toxic epidermal necrolysis. - Clostridioides difficile infection: severe colitis. - Liver enzyme elevation: abnormal hepatic function tests. - Anaphylaxis: life‑threatening hypersensitivity. - Renal impairment: worsening kidney function in susceptible patients.
What precautions apply to Fosfomycin Trometamol?
Before prescribing Monuril, clinicians should consider patient‑specific factors. - Assess renal function: dose adjustment may be required in severe impairment. - Review allergy history: avoid in patients with known fosfomycin hypersensitivity. - Pregnancy considerations: use only if benefits outweigh potential risks. - Monitor gastrointestinal tolerance: advise patients to report persistent diarrhea. - Store at below 25°C: keep in the original pack, protect from moisture.
What does Fosfomycin Trometamol interact with?
Fosfomycin can interact with several medicines that affect absorption or renal handling.
Major Interactions (Avoid): - Antacids containing magnesium or aluminum: markedly reduce fosfomycin absorption. - Metformin: may increase risk of lactic acidosis in renal impairment. - Warfarin: potential alteration of INR, requiring close monitoring.
Moderate Interactions (Monitor Closely): - Oral contraceptives: possible reduction in contraceptive efficacy. - Other antibiotics (e.g., aminoglycosides): potential antagonistic effect. - Diuretics: may modify renal excretion of fosfomycin.



