Haloperidol (Haldol)
Lithium (Eskalith, Lithobid, Lithonate)
Taking amphetamine and dextroamphetamine and
lithium together can decrease the effectiveness of amphetamine and dextroamphetamine. Your healthcare provider may need to adjust your dose of these drugs.
Medications for High Blood Pressure
Meperidine (Demerol)
Taking amphetamine and dextroamphetamine and meperidine together can cause life-threatening side effects, such as very low
blood pressure. Do not take meperidine and amphetamine and dextroamphetamine together unless specifically instructed to do so by your healthcare provider.
Methenamine (Hiprex, Urex)
Taking amphetamine and dextroamphetamine and methenamine together can decrease the amount of amphetamine and dextroamphetamine in the blood, possibly making amphetamine and dextroamphetamine less effective. Your healthcare provider may need to adjust your dose of these drugs.
MAO Inhibitors
Taking amphetamine and dextroamphetamine and MAO inhibitors together can cause life-threatening side effects, such as very
high blood pressure. Do not take amphetamine and dextroamphetamine and MAO inhibitors together unless specifically told to do so by your healthcare provider.