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Long COVID’s hidden struggles: precision psychiatry and hope for low- and middle-income countries (LMICs)

Someleze Swana
Conditions
February 1, 2025
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Introduction

Long COVID has emerged as a silent health crisis, lingering long after the acute phase of the pandemic has faded. For countless lives, the battle with COVID-19 did not end with recovery from the virus. Instead, it transformed into an enduring struggle with debilitating symptoms, including depression, anxiety, sleep disorder, PTSD, cognitive dysfunction, and post-COVID fatigue. This psychiatric landscape demands more than incremental solutions; it calls for bold, transformative approaches that integrate precision psychiatry, neuroinflammation science, and global health equity. PTSD, or post-traumatic stress disorder, refers to a condition where individuals experience intense stress or fear long after a traumatic event. Cognitive dysfunction, often called “brain fog,” includes problems with memory, attention, and mental clarity.

The psychological and cognitive toll of long COVID

For many, the psychological and cognitive symptoms of long COVID are as crippling as the physical ones. Yet, these dimensions remain under recognized and underserved. Psychiatric manifestations of long COVID—from “brain fog” to severe depression—stem from a complex interplay of neuroinflammation, immune dysregulation, and psychosocial stressors. Tackling this requires a deeper understanding of the biological mechanisms driving these symptoms, the adoption of personalized care models tailored to the unique needs of each patient, and a commitment to equitable access to mental health resources, particularly in low- and middle-income countries (LMICs). Neuroinflammation refers to inflammation in the brain and nervous system, often triggered by infections or injury. Immune dysregulation is when the immune system doesn’t work properly, either overreacting or underreacting to threats, which can worsen health outcomes.

Advances in precision psychiatry and biomarkers

This is an opportunity to redefine how we approach psychiatry in the context of post-viral syndromes, pushing beyond traditional paradigms toward innovative, data-driven solutions. Emerging research links neuroinflammation with psychiatric symptoms in long COVID patients. Biomarkers such as cytokine levels and neuroimaging findings could serve as diagnostic tools and targets for intervention. Leveraging precision psychiatry to identify and treat neuroinflammation-related symptoms represents a vital step toward tailored therapeutic strategies. Biomarkers are measurable indicators of a biological condition or process, such as blood tests showing inflammation levels. Cytokines are proteins released by the immune system to signal and manage inflammation. They play a crucial role in immune responses and can influence inflammation levels, either increasing or decreasing them based on the body’s needs. Precision psychiatry is an emerging field that uses individual data—like genetics, brain scans, and personal health history—to customize mental health treatments. It moves away from general one-size-fits-all approaches to provide care that is tailored to each patient’s unique biological and psychological profile.

Addressing cognitive dysfunction

Cognitive dysfunction, commonly referred to as “brain fog,” is another critical challenge. For patients, it’s not just a symptom; it’s a barrier to daily functioning. Addressing cognitive dysfunction requires an interdisciplinary approach that combines psychiatric care with neuropsychological rehabilitation. Integrated treatment protocols addressing both the biological and psychological dimensions of cognitive dysfunction are urgently needed.

The psychosocial impact of long COVID

The psychosocial challenges faced by long COVID patients cannot be overstated. Stigma, isolation, and financial strain exacerbate mental health conditions, creating a cycle of distress that is difficult to escape. Expanding access to affordable, scalable mental health resources, including digital tools and community-based interventions, is essential to ensuring no patient is left behind. Psychosocial stressors include life pressures, such as losing a job or social isolation, that impact mental health. Digital tools could be electronic applications (apps) or online platforms that offer therapy or coping resources.

The role of big data and AI

Big data and AI are revolutionizing psychiatry, offering new avenues for precision care. By analyzing large datasets on genomics, brain imaging, and patient demographics, researchers can develop personalized care plans for long COVID patients. These advances promise to set a new standard for mental health care, moving beyond one-size-fits-all approaches. Big data refers to extremely large datasets analyzed to find patterns and insights. AI, or artificial intelligence, uses computer algorithms to simulate human decision-making and improve predictions or interventions.

Addressing health disparities in LMICs

The burden of long COVID is disproportionately high in underserved populations, including LMICs. Tailored interventions that consider cultural and socioeconomic factors are essential for addressing global health disparities. Advocacy for equitable policies that prioritize mental health in these regions is not just a moral imperative but a practical necessity for global health.

Conclusion

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Long COVID is more than a health challenge; it is a call to action. Ignoring its psychiatric dimensions risks leaving millions without adequate care and deepening global health inequities. By embracing innovation and collaboration, we can transform long COVID from a crisis into a catalyst for progress in psychiatry and public health. Highlighting the urgent need for research and innovation in long COVID psychiatry, advocating for equitable policies, and sparking collaborations across disciplines are steps that can make a lasting impact. The time to act is now. By investing in precision psychiatry, addressing neuroinflammation, and advocating for global health equity, we can redefine what’s possible for long COVID patients. Together, we can transform care, inspire innovation, and pave the way for a healthier, more equitable world.

Someleze Swana is a public health researcher.

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