Cephalexin Dosing for UTI in Pregnancy
Cephalexin is used for treatment of asymptomatic bacteriuria or lower urinary tract infection in pregnancy at 250–500 mg by mouth every 6 hours with a 3–7 day course. [1]
Dosing for Acute Cystitis or Asymptomatic Bacteriuria
Recommended oral dosing is cephalexin 500 mg PO every 6 hours for 3–7 days. [1]
Dosing for Urinary Tract Infection Suppression (After Treatment)
A urinary antimicrobial suppression regimen in pregnancy may use cephalexin 250–500 mg PO once daily after treatment of a recurrent episode, continuing for the remainder of pregnancy and into the postpartum period. [2]
Administration Notes
Treatment duration should follow the regimen used for the specific indication, with short-course therapy for active lower UTI and daily suppression only for recurrent infection strategies. [1] [2]