Start treatment once sensitivity results known.
Take urine culture 7 days after completion of therapy as test of cure.
Nitrofurantoin oral m/r 100mg 12 hourly OR i/r 50mg 6 hourly
(Avoid in third trimester or renal impairment)
Trimethoprim oral 200mg 12 hourly
(Avoid in the first trimester for all pregnant women. Trimethoprim should be avoided in all trimesters by pregnant women with established folate deficiency, low dietary folate intake or women taking other folate antagonists.)
Cefalexin 500mg oral 12 hourly