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<p>Coronavirus disease 2019 (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has caused a major global health burden in terms of acute infection and long-term consequences. Approximately 10% of infected experience autonomic dysfunction, cardiovascular complications, and neurological impairments. While immune dysregulation, persistent viral reservoirs, chronic inflammation, gut dysbiosis, and vascular dysfunction are implicated, the exact pathophysiological mechanisms of Long COVID remain unclear. Additionally, treatment options are limited and challenging to prescribe due to symptom heterogeneity. Non-pharmacological interventions such as increased salt intake, elimination diets for gastrointestinal symptoms, and cognitive pacing for fatigue may not be sufficient for severe symptoms. Moreover, pharmacological interventions such as β-blockers, calcium channel blockers, pyridostigmine, antihistamines, and low-dose naltrexone can improve tachycardia, fatigue, and brain fog but there are no standardized guidelines. In light of evidence supporting a strong association of Long COVID with gut dysbiosis, probiotics have emerged as a promising intervention. Clinical studies have shown that <i>Bacillus coagulans</i>, <i>Bacillus subtilis</i>, <i>Lactobacillus acidophilus</i>, and <i>Bifidobacterium</i> species can improve fatigue, gastrointestinal health, and overall physical and mental well-being in Long COVID patients. Large-scale randomized controlled trials are warranted to validate probiotic efficacy in Long COVID and reduce burden on individual health and healthcare institutions.</p>

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Pharmacological and non-pharmacological management of long COVID

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年3月21日

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  • Kanwal Khalid,
  • Amar Daud Iskandar Abdullah,
  • Hui Xuan Lim,
  • Raja Affendi Raja Ali

摘要

Coronavirus disease 2019 (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has caused a major global health burden in terms of acute infection and long-term consequences. Approximately 10% of infected experience autonomic dysfunction, cardiovascular complications, and neurological impairments. While immune dysregulation, persistent viral reservoirs, chronic inflammation, gut dysbiosis, and vascular dysfunction are implicated, the exact pathophysiological mechanisms of Long COVID remain unclear. Additionally, treatment options are limited and challenging to prescribe due to symptom heterogeneity. Non-pharmacological interventions such as increased salt intake, elimination diets for gastrointestinal symptoms, and cognitive pacing for fatigue may not be sufficient for severe symptoms. Moreover, pharmacological interventions such as β-blockers, calcium channel blockers, pyridostigmine, antihistamines, and low-dose naltrexone can improve tachycardia, fatigue, and brain fog but there are no standardized guidelines. In light of evidence supporting a strong association of Long COVID with gut dysbiosis, probiotics have emerged as a promising intervention. Clinical studies have shown that Bacillus coagulans, Bacillus subtilis, Lactobacillus acidophilus, and Bifidobacterium species can improve fatigue, gastrointestinal health, and overall physical and mental well-being in Long COVID patients. Large-scale randomized controlled trials are warranted to validate probiotic efficacy in Long COVID and reduce burden on individual health and healthcare institutions.