Onyda Xr Clonidine Adhd Medicine Tris Pharma HcpPhenytoin - Amphetamines might delay intestinal absorption of phenytoin; co- administration of phenytoin may produce a synergistic anticonvulsant motion. Co- administration of phenobarbital may produce a synergistic anticonvulsant action. CYP2D6 Inhibitors-The concomitant use of amphetamine sulfate tablets and CYP2D6 inhibitorsmay improve the exposure
