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Asymptomatic bacteriuria with uropathogens in pregnant women should be treated as it is associated with increased incidence of pyelonephritis, preterm labour, and low birthweight infants.
Screening for bacteriuria recommended at 12-16 weeks gestation, or first prenatal visit if later than 16 weeks gestation.
Post treatment urine cultures recommended 1 week after completion of treatment followed by monthly urine cultures for remainder of pregnancy.
Amoxicillin 500 mg PO TID x 5 days
OR
Cephalexin 500 mg PO QID x 5 days
Cefixime 400 mg PO Once Daily x 5 days
Fosfomycin 3 g PO Once
Macrobid 100 mg BID x 5 days
Avoid if CrCl < 30ml/min
Cotrimoxazole 1 DS tab BID x 3 days
Avoid in 1st and 3rd trimesters
E. coli
Group B Streptococcus
Other Enterobacteriacae
