HUMA IKRAM , ADNAN MAQSOOD CHOUDHRY , DARAKHSHAN JABEEN HALEEM

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O)CNS stimulants (Psychostimulants) are psychoactive drugs which induce temporary improvements in either mental or physical function or both. Although considered as drugs of abuse, psychostimulants could also be used for the pharmacotherapy of various pathological conditions. They are considered as drugs of choice especially in cases where resistance to primary treatment develops and patients stop responding to those pharmacotherapeutic agents [1]. Psychostimulants, have the edge in this regard as few of them (like apomorphine) produce sensitization (a potentiation of behavior) rather than tolerance [2]. This makes them potential candidates for the treatment of various disorders like use of apomorphine for the treatment of Parkinson