1 May 2026Oral drugs
Fosfomycin trometamol oral
Fosfomycin guidance for uncomplicated cystitis and asymptomatic bacteriuria in pregnancy, using single-dose therapy.
Prescription under medical supervision
This guide page is for structured reference only and does not replace a clinician, pharmacist, or emergency review. Dose choice, route choice, interactions, and safety decisions still need professional judgment.
Therapeutic action
Phosphonic acid derivative antibacterial.
Indications
- Acute uncomplicated cystitis in women, without fever nor flank pain.
- Asymptomatic bacteriuria in pregnant women.
Forms and strengths
- Granules for oral solution in 3 g sachet, to be dissolved in filtered water.
Dose and duration
- 3 g single dose.
Contra-indications, adverse effects, precautions
- Do not administer to patients with severe renal impairment or allergy to fosfomycin.
- May cause gastrointestinal disturbances, skin rash, and rarely allergic reactions.
- Pregnancy: no contra-indication.
- Breast-feeding: no contra-indication.
Source
MSF Essential drugs practical guidelines (January 2026)
This page reproduces the structured reference information for this batch while leaving out the Storage and Remarks sections.
Rate this guide
Be the first to rate this guide.