QSYMIA dosages of 3.75 mg/23 mg, 7.5 mg/46 mg, and 15 mg/92 mg were studied. QSYMIA exposure in the pediatric patients appeared comparable to that in adults. Drug Interaction Studies In Vitro Assessment Of Drug Interactions Phentermine Phentermine is not an inhibitor of CYP isozymes CYP1A2...