# Chronic Pain and Opioids in the Elderly: Treating the Brain, Not Just the Body

## TL;DR

This paper explores how chronic pain, mental health, and opioid use are connected in older adults and suggests a brain-focused treatment approach.

## Contribution

The paper introduces a neuropsychiatric model to address chronic pain and opioid use in the elderly by integrating neurobiological and psychosocial factors.

## Key findings

- Chronic pain, depression, and opioid misuse share common neurobiological mechanisms in older adults.
- Multimodal strategies combining pharmacological and psychosocial care are essential for effective treatment.
- Therapies like buprenorphine and SNRIs may offer neuroprotective benefits in managing chronic pain and opioid use.

## Abstract

Public health relevance—How does this work relate to a public health issue?
Chronic pain and opioid use in older adults are interlinked issues with major functional and mental health impacts.An integrated, system-level approach is needed beyond symptom control.

Chronic pain and opioid use in older adults are interlinked issues with major functional and mental health impacts.

An integrated, system-level approach is needed beyond symptom control.

Public health significance—Why is this work of significance to public health?
This review proposes a neuropsychiatric model to enhance safety, prevention, and care in later life.It highlights shared mechanisms linking pain, depression, and opioid misuse.

This review proposes a neuropsychiatric model to enhance safety, prevention, and care in later life.

It highlights shared mechanisms linking pain, depression, and opioid misuse.

Public health implications—What are the key implications or messages for practitioners, policy makers and/or researchers in public health?
Treatment should prioritise functional recovery, emotional stability, and cognitive preservation.Multimodal strategies combining pharmacological and psychosocial care are essential.

Treatment should prioritise functional recovery, emotional stability, and cognitive preservation.

Multimodal strategies combining pharmacological and psychosocial care are essential.

Background: Chronic pain, opioid use, and mental health disorders frequently co-occur in older adults, forming a complex and mutually reinforcing triad. Neurobiological ageing processes—such as neuroinflammation, dopaminergic decline, and impaired top-down regulation—may increase vulnerability to maladaptive coping strategies, including opioid misuse. This review aims to integrate neurobiological, affective, and clinical evidence to propose a unified neuropsychiatric framework for understanding the intersection between chronic pain, emotional distress, and opioid vulnerability in later life, while highlighting implications for integrated treatment and opioid stewardship. Methods: This structured narrative review synthesised interdisciplinary evidence from neuroscience, geriatric psychiatry, and pain medicine. The literature was thematically organised to examine shared neurobiological and psychosocial mechanisms underlying chronic pain, affective disorders, and opioid use disorder (OUD) in older adults, with attention to treatment strategies and stewardship principles. Results: Converging evidence suggests a neuroprogressive continuum linking chronic pain, emotional distress, opioid misuse, and cognitive decline. Key mechanisms include frontolimbic dysfunction, impaired reward processing, and chronic allostatic load. Therapeutic approaches that integrate analgesia with emotional regulation—such as buprenorphine, serotonin–noradrenaline reuptake inhibitors (SNRIs), and multimodal tapering strategies—may offer neuroprotective benefits. Effective opioid stewardship appears to require integrated functional, cognitive, and affective monitoring. Conclusions: Pain management in older adults may benefit from moving beyond symptom-focused approaches toward a neuropsychiatric model of care aimed at preserving homeostatic balance across sensory, emotional, and motivational domains. Within this framework, opioid therapy can be conceptualised as a potential means of functional and neuroaffective restoration, rather than solely as a strategy for risk reduction.