4’-hydroxyAtomoxetineglucuronide is a metabolite of the norepinephrine transporter (NET) inhibitor atomoxetine .1It is formed from atomoxetine by glucuronidation of the intermediate metabolite 4-hydroxyatomoxetine.2 1.Todor, I., Popa, A., Neag, M., et al.Evaluation of a potential metabolism-mediated drug-drug interaction between atomoxetine and bupropion in healthy volunteersJ. Pharm. Pharm. Sci.19(2)198-207(2016) 2.Sauer, J.-M., Ring, B.J., and Witcher, J.W.Clinical pharmacokinetics of atomoxetineClin. Pharmacokinet.44(6)571-590(2005)