Important: Therapy
Trimethoprim is contraindicated in the 1st trimester of pregnancy.
Nitrofurantoin 50-100mg PO every 6 hours
OR
Nitrofurantoin MR 100mg PO every 12 hours
OR
Cefalexin 500mg PO every 8 hours
If positive urine cultures are available, therapy choices should be based on the released sensitivities.
7 days
Trimethoprim is contraindicated in the 1st trimester of pregnancy.
Nitrofurantoin 50-100mg PO every 6 hours
OR
Nitrofurantoin MR 100mg PO every 12 hours
OR
Cefalexin 500mg PO every 8 hours
Nitrofurantoin is contraindicated in the 3rd trimester of pregnancy.
Cefalexin 500mg PO 8 hourly
Or Trimethoprim 200mg PO 12 hourly
Trimethoprim is unlicensed for this indication.