What are the breast milk–maternal plasma ratios for AEDs?

Updated: Nov 08, 2018
  • Author: Carmel Armon, MD, MSc, MHS; Chief Editor: Stephen A Berman, MD, PhD, MBA  more...
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Answer

Answer

Breast milk–maternal plasma ratios for AED concentrations are as follows:

  • Carbamazepine - 0.4

  • Phenytoin - 0.45

  • Phenobarbital - 0.4-0.6

  • Valproic acid - 0.42

  • Lamotrigine - 0.6


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