Non-stimulant medications, such as atomoxetine (ATX) and guanfacine (GFC), are increasingly prescribed for attention-deficit/hyperactivity disorder (ADHD), including among women of childbearing age. However, experimental data on the transfer of these drugs into human breast milk remain extremely limited. In this study, we developed and validated a highly sensitive and precise ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) method for the simultaneous quantification…
