Paroxysmal abdominalgia as a non-motor wearing off phenomenon in Parkinson’s disease. A case series and literature review

Background: Paroxysmal abdominalgia (PxA) is an underrecognized, debilitating form of abdominal pain that manifests during wearing-off (WO) periods in Parkinson’s disease (PD). Despite its profound impact, PxA remains poorly described, complicating diagnosis and management. Methods: We conducted a r...

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Main Authors: Abdalmalik Bin Khunayfir, Stewart A. Factor
Format: Article
Language:English
Published: Elsevier 2025-01-01
Series:Clinical Parkinsonism & Related Disorders
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Online Access:http://www.sciencedirect.com/science/article/pii/S2590112525000726
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author Abdalmalik Bin Khunayfir
Stewart A. Factor
author_facet Abdalmalik Bin Khunayfir
Stewart A. Factor
author_sort Abdalmalik Bin Khunayfir
collection DOAJ
description Background: Paroxysmal abdominalgia (PxA) is an underrecognized, debilitating form of abdominal pain that manifests during wearing-off (WO) periods in Parkinson’s disease (PD). Despite its profound impact, PxA remains poorly described, complicating diagnosis and management. Methods: We conducted a retrospective case series of patients with PD and recurrent abdominal pain linked to WO episodes. Demographic, clinical, and detailed pain data were extracted from records. Patients with alternative gastrointestinal (GI) causes were excluded. Data were analyzed descriptively and compared with existing literature. Results: Five patients (3 males, mean disease duration 14.4 years) met inclusion criteria. PxA was characterized by severe abdominal pain—described as twisting, squeezing, or tightness—that consistently occurred during WO states and frequently led to emergency department visits and repeated GI evaluations which were unremarkable. Symptoms were often associated with anxiety and panic attacks. Standard analgesics and GI therapies were largely ineffective. Extra carbidopa/levodopa doses provided variable relief; apomorphine bolus injections and continuous subcutaneous foslevodopa/foscarbidopa infusion appeared to offer significant benefit in eligible patients. PxA symptoms aligned best with the nociplastic category of the PD Pain Classification System. Conclusions: PxA is a severe, non-motor complication of PD that likely represents a form of nociplastic pain linked to dopaminergic fluctuations. Increased awareness is needed to reduce misdiagnosis and inappropriate interventions. Further research is required to elucidate underlying mechanisms and guide targeted therapy.
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spelling doaj-art-19ca198de9db4e0e8e8e2f06b5145d812025-08-20T02:38:52ZengElsevierClinical Parkinsonism & Related Disorders2590-11252025-01-011310036810.1016/j.prdoa.2025.100368Paroxysmal abdominalgia as a non-motor wearing off phenomenon in Parkinson’s disease. A case series and literature reviewAbdalmalik Bin Khunayfir0Stewart A. Factor1Corresponding author at: Jean and Paul Amos Parkinson’s Disease and Movement Disorder Program, Department of Neurology, Emory University School of Medicine, 12 Executive Park Drive NE, Atlanta, Georgia 30329, United States.; Jean & Paul Amos PD & Movement Disorders Program, Department of Neurology, Emory University School of Medicine, United StatesJean & Paul Amos PD & Movement Disorders Program, Department of Neurology, Emory University School of Medicine, United StatesBackground: Paroxysmal abdominalgia (PxA) is an underrecognized, debilitating form of abdominal pain that manifests during wearing-off (WO) periods in Parkinson’s disease (PD). Despite its profound impact, PxA remains poorly described, complicating diagnosis and management. Methods: We conducted a retrospective case series of patients with PD and recurrent abdominal pain linked to WO episodes. Demographic, clinical, and detailed pain data were extracted from records. Patients with alternative gastrointestinal (GI) causes were excluded. Data were analyzed descriptively and compared with existing literature. Results: Five patients (3 males, mean disease duration 14.4 years) met inclusion criteria. PxA was characterized by severe abdominal pain—described as twisting, squeezing, or tightness—that consistently occurred during WO states and frequently led to emergency department visits and repeated GI evaluations which were unremarkable. Symptoms were often associated with anxiety and panic attacks. Standard analgesics and GI therapies were largely ineffective. Extra carbidopa/levodopa doses provided variable relief; apomorphine bolus injections and continuous subcutaneous foslevodopa/foscarbidopa infusion appeared to offer significant benefit in eligible patients. PxA symptoms aligned best with the nociplastic category of the PD Pain Classification System. Conclusions: PxA is a severe, non-motor complication of PD that likely represents a form of nociplastic pain linked to dopaminergic fluctuations. Increased awareness is needed to reduce misdiagnosis and inappropriate interventions. Further research is required to elucidate underlying mechanisms and guide targeted therapy.http://www.sciencedirect.com/science/article/pii/S2590112525000726Parkinson’s diseaseNon-motor symptomsNociplastic painAbdominalgia
spellingShingle Abdalmalik Bin Khunayfir
Stewart A. Factor
Paroxysmal abdominalgia as a non-motor wearing off phenomenon in Parkinson’s disease. A case series and literature review
Clinical Parkinsonism & Related Disorders
Parkinson’s disease
Non-motor symptoms
Nociplastic pain
Abdominalgia
title Paroxysmal abdominalgia as a non-motor wearing off phenomenon in Parkinson’s disease. A case series and literature review
title_full Paroxysmal abdominalgia as a non-motor wearing off phenomenon in Parkinson’s disease. A case series and literature review
title_fullStr Paroxysmal abdominalgia as a non-motor wearing off phenomenon in Parkinson’s disease. A case series and literature review
title_full_unstemmed Paroxysmal abdominalgia as a non-motor wearing off phenomenon in Parkinson’s disease. A case series and literature review
title_short Paroxysmal abdominalgia as a non-motor wearing off phenomenon in Parkinson’s disease. A case series and literature review
title_sort paroxysmal abdominalgia as a non motor wearing off phenomenon in parkinson s disease a case series and literature review
topic Parkinson’s disease
Non-motor symptoms
Nociplastic pain
Abdominalgia
url http://www.sciencedirect.com/science/article/pii/S2590112525000726
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