UTI in Pregnancy
Antimicrobial prescribing: NHS Grampian, Orkney & Shetland
Send MSU for culture.
Short-term use of nitrofurantoin in pregnancy is unlikely to cause problems to the foetus.
Trimethoprim use in pregnancy is now unlicensed.
Avoid trimethoprim if low folate status or taking folate antagonist (eg antiepileptic or proguanil).
Drug details
First choice:
Nitrofurantoin
(avoid in 3rd trimester)
100mg m/r 2 x daily
or
50mg 4 x daily
7 days
Alternative treatment
Trimethoprim
(unlicensed indication -
avoid in 1st trimester)
200mg 2 x daily
7 days