Background: Machado–Joseph Disease (MJD) also known as Spinocerebellar Ataxia3 or Azorean ataxia is a progressive autosomal dominant neurological disorder which affects cerebellum and its function that leads to ataxia and incoordination of gait. Case Presentation: A 20-year old male presented with chief complaints of abnormal posturing of both lower and upper limbs, slurred speech, and a nasal regurgitation. Neurological examination revealed gaze evoked nystagmus, spasticity in both lower limbs which are indicative signs of cerebellar dysfunction. Genomic DNA analysis was performed, and patient condition was diagnosed as MJD with Parkinsonism. Conclusion: Patient was treated symptomatically with medications and physiotherapy to relive symptoms of Parkinsonism. After a week of follow-up, his symptoms were subsided and got discharged.

Keywords: MJD, autosomal dominant, Ataxia, Parkinsonism, cerebellar dysfunction