Question

A 75-year-old with eGFR of 25 mL/min is prescribed trimethoprim for UTI. According to BNF, what dosing adjustment is required?

Accepted Answer

Halve the dose or extend dosing interval

Answer

No dose adjustment needed

Answer

Double the usual dose

Answer

Avoid trimethoprim entirely

Answer

Replace with nitrofurantoin

Practice question

A 75-year-old with eGFR of 25 mL/min is prescribed trimethoprim for UTI. According to BNF, what dosing adjustment is required?