Calculate paediatric doses for Trimethoprim/Sulfamethoxazole (Bactrim) using Actual or Median Body Weight. Doses are based on the Trimethoprim component.
*Uses Median Body Weight when Actual Weight is unknown. (Max 12 months / 18 years)
Prescribed Dose (per dose)
Total Daily Dose
Volume / Dose
-- mL
Volume / Day
-- mL
Supply Duration
-- days
All calculators have been designed and tested for accuracy to the best of our knowledge. However, Pharmacy Space Pty Ltd does not make any promises or give any warranties about its absolute accuracy, reliability, completeness or suitability for any particular purpose. It is highly recommended to re-test your calculation repeatedly before any decision is made. The information provided are for general advice only and should not be relied on as personal advice. Each individual is subject to their own health/medical conditions, please always seek professional guidance from qualified healthcare professionals.
