You shouldn't use Amphetamine Sulfate In case you are allergic to any stimulant drugs, or When you have made use of an MAO inhibitor in past times 14 days, for example isocarboxazid, linezolid, methylene blue injection, phenelzine, or tranylcypromine.isomer, clinical trials conducted during the 1970s shown that both of those isomers of amphetamine