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Evidence Library · Pain relief

Epidural side effects, including the one that affects your baby

Fever, and the newborn tests that follow it.

Expect low blood pressure, heavy legs, itching, shivering, difficulty emptying your bladder, a longer second stage, and more use of oxytocin. Compared with intravenous opioids, an epidural causes less nausea and less breathing depression in the baby.

The one that surprises people is fever. In a study of 1,657 first-time mothers who had no fever on admission, fever above 100.4 degrees Fahrenheit occurred in 14.5% of women with an epidural and 1.0% without. The longer the labor the higher the rate: 7% for labors under 6 hours, 36% for labors over 18 hours.

The consequence falls on the newborn. Sepsis evaluation was performed in 34.0% of babies in the epidural group against 9.8% without, and antibiotics were given to 15.4% against 3.8%.

Why this belongs in consentBecause the chain from a needle in your back to blood draws and antibiotics for your baby is real, common, and essentially never mentioned.
Where this comes from:
189. Anim-Somuah M, Smyth RMD, Cyna AM, Cuthbert A. Epidural versus non-epidural or no analgesia for pain management in labour. Cochrane Database Syst Rev. 2018;(5):CD000331.
191. Lieberman E, Lang JM, Frigoletto F Jr, Richardson DK, Ringer SA, Cohen A. Epidural analgesia, intrapartum fever, and neonatal sepsis evaluation. Pediatrics. 1997;99(3):415-419.

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This page is educational. It supports the conversation with your own clinicians. It is not consent to any treatment, and it cannot assess you. If you are worried about a symptom now, see urgent warning signs.