Psychological
Psychological effects can include euphoria, anxiety, increased libido, alertness, concentration, increased energy, increased self-esteem, self-confidence, sociability, irritability, aggressiveness, psychosomatic disorders, psychomotor agitation, dermatillomania, delusions of grandiosity, hallucinations, excessive feelings of power and invincibility, repetitive and obsessive behaviors, paranoia, and with chronic and/or high doses, amphetamine psychosis can occur; occassionally this psychosis can occur at therapeutic doses during chronic therapy as a treatment emergent side effect.
Read more about this topic: Dextroamphetamine, Effects