* Monoamine oxidase inhibitors (MAOIs) taken with amphetamine may result in a hypertensive crisis if taken within two weeks after last use of an MAOI type drug. * Inhibitors of enzymes that directly metabolize amphetamine (particularly CYP2D6 and FMO3) will prolong the elimination of amphetamine and increase drug effects. * Serotonergic drugs (such as most antidepressants) co-administered with amphetamine increases the risk of serotonin syndrome. * Stimulants and antidepressants (sedatives and depressants) may increase (decrease) the drug effects of amphetamine, and vice versa. * Gastrointestinal and urinary pH affect the absorption and elimination of amphetamine, respectively. Gastrointestinal alkalizing (acidifying) agents increase the absorption of amphetamine. Urinary alkalizing (acidifying) agents increase concentration of non-ionized (ionized) species, decreasing (increasing) urinary excretion. * Proton-pump inhibitors (PPIs) modify the absorption of<unk>  XR and Mydayis. * Zinc supplementation may reduce the minimum effective dose of amphetamine when it is used for the treatment of ADHD.
Adderall
Tolibut
Superbill
Splinter
Vinegar
Sniffle
Cowlick
Crutch