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Home > Wellness Resources > Health Library > Antibiotics to Treat and Prevent Infection During Preterm Labor
During preterm labor, antibiotics may be used to treat or prevent an infection.
If an infection is causing your preterm labor, you will be treated with
antibiotics. The type used depends on which bacteria are causing the infection. The antibiotics most commonly used during pregnancy include erythromycin, clindamycin, ampicillin,
gentamicin, and metronidazole.
Antibiotics don't always clear up
uterine infection. And they don't always prevent
preterm labor. If a mother's uterus has become
infected and her fetus is mature enough, her doctor or nurse-midwife might not
try to delay the birth.
Preterm premature rupture of membranes (pPROM) means that your water breaks (rupture of the amniotic sac) before 37 completed weeks of
pregnancy. When given to women
with pPROM, antibiotics may:footnote 1
Antibiotics are not a recommended treatment for women in
preterm labor with intact membranes. (This means the amniotic sac has not ruptured.) But some women do get antibiotics to prevent or treat
group B strep.
Haas DM (2011). Preterm birth, search date June 2010.
BMJ Clinical Evidence. Available online:
ByHealthwise StaffPrimary Medical ReviewerSarah Marshall, MD - Family MedicineSpecialist Medical ReviewerWilliam Gilbert, MD - Maternal and Fetal Medicine
Current as ofNovember 14, 2014
Current as of:
November 14, 2014
Sarah Marshall, MD - Family Medicine & William Gilbert, MD - Maternal and Fetal Medicine
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