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REM sleep behavior disorder, constipation, depression and autonomic symptoms in Parkinson's
Parkinson's disease is not just a movement disorder — non-motor symptoms (REM sleep behavior disorder, constipation, depression, autonomic dysfunction, cognitive changes) often precede motor symptoms by years and significantly impact quality of life.
Kathmandu Neurology Clinic & Cognitive Center
Authored and reviewed by Dr. Jitendra Prasad Yadav (MBBS, MD (Internal Medicine), FICN (Neurology), FCNV, FIHM, NMC 8029). Evidence-based, no fabricated outcomes.
Parkinson's disease is not just a movement disorder — non-motor symptoms (REM sleep behavior disorder, constipation, depression, autonomic dysfunction, cognitive changes) often precede motor symptoms by years and significantly impact quality of life.
Reviewed by Dr. Jitendra Prasad Yadav, MBBS, MD, FICN, FCNV, FIHM — Consultant Neurologist & Headache Specialist (NMC 8029), Kathmandu Neurology Clinic. For evaluation, book an appointment.
REM sleep behavior disorder (acting out dreams — may precede motor symptoms by years), constipation, hyposmia (reduced smell), depression, anxiety, orthostatic hypotension, urinary dysfunction, excessive daytime sleepiness. These may appear 5–20 years before motor symptoms.
REM sleep behavior disorder: melatonin or clonazepam. Constipation: fiber, fluids, stool softeners, prokinetics. Depression/anxiety: SSRIs, CBT, support. Orthostatic hypotension: hydration, compression, midodrine. Cognitive changes: cholinesterase inhibitors, cognitive stimulation. Each symptom requires specific treatment.
Non-motor symptoms often have greater impact on quality of life than motor symptoms. Depression, fatigue, sleep problems and autonomic dysfunction can be more disabling than tremor or rigidity. Comprehensive care addresses both motor and non-motor aspects.
Postuma RB et al. MDS Prodromal Criteria for Parkinson's Disease. Mov Disord 2015Content on this website is for general educational purposes only and does not constitute medical advice, diagnosis, or treatment. It is not a substitute for evaluation by a qualified healthcare professional. Always seek the advice of your physician or other qualified provider with any questions regarding a medical condition. Never disregard professional medical advice or delay seeking it because of something you have read on this website. In case of a medical emergency, contact emergency services immediately. No doctor–patient relationship is established by use of this site or by contacting the clinic through the site.