The information below is compiled from LactMed, PubMed, and Infant Risk Center. Infant Risk Center was established by Dr. Thomas Hale, a world renowned clinical pharmacologist, leading expert in the use of medications during lactation, and author of Hale’s Medications and Mothers Milk, an essential reference manual for clinicians. The Infant Risk Center offers the most current, complete, and evidence-based information on the transmission of maternal drugs into human milk.