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    Prescription under medical supervision


    Therapeutic action

    • Antibacterial (group of nitrofuranes)


    • Uncomplicated cystitis, without fever or lower back pain, when no other antibiotic can be used

    Forms and strengths

    • 100 mg tablet

    Dosage and duration

    • Adult: 100 mg 3 times daily for 5 to 7 days

    Contra-indications, adverse effects, precautions

    • Do not administer to patients with renal impairment, G6PD deficiency or allergy to nitrofurantoin.
    • May cause:
      • nausea, vomiting, headache, dizziness, brownish urine;
      • haemolytic anaemia in patients with G6PD deficiency, pulmonary and hepatic disorders, allergic reactions.
    • Do not administer simultaneously with antacids (aluminium or magnesium hydroxide, etc.). Administer doses at least 2 hours apart.
    • Pregnancy: CONTRA-INDICATED during the last month of pregnancy (risk of haemolysis in the newborn)
    • Breast-feeding: avoid during the first month


    • Take during meals.
    • Do not use nitrofurantoin to prevent cystitis.
    • Also comes in modified release capsules to be administered 2 times daily.


    – Below 25 °C