[Parkinsonism: alternative diagnosis beyond idiopathic Parkinson's disease].

Parkinsonism is manifested as bradykinesia; tremor with signs and symptoms suggesting Parkinson's disease. The most common cause of Parkinsonism is Idiopathic Parkinson's disease; however, there are other multiple pathologies and situation that have top be considered accordingly in this clinical setting. Since the treatment and outcomes varies widely between these conditions is of paramount importance to work up the Parkinsonism and try to achieve an accurate diagnosis. This review gives a general landscape of Parkinsonism and its most likely differentials.