Adequate diagnosis of the cause of Parkinsonism and treatment in an elderly patient with schizophrenia: A case report

Abstract Background Parkinsonism is frequently observed in patients with schizophrenia, and most are diagnosed drug‐induced parkinsonism. However, comorbidity idiopathic Parkinson's disease or Parkinson‐plus syndrome also possible. The pathophysiology treatment for each of these entirely different, thus an appropriate diagnosis required. distinguishing them based on clinical symptoms alone often difficult, many cases misdiagnosed. Additionally, mistaken negative symptoms. Case Description We report a case 68‐year‐old woman who was admitted to welfare center. At approximately age 60, the patient experienced motivation reduction, loss appetite, pain extremities. In her mid‐60s, tremor muscle rigidity appeared; nuclear medicine testing performed detailed examination, resulting levodopa‐responsive syndrome. Notably, patient's parkinsonism emotional symptoms, which had been considered far, improved levodopa treatment. Conclusion This illustrates importance properly diagnosing cause schizophrenia.