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Aims and objectives: The aim of the article was to study the safety profile of renin-angiotensin-aldosterone system (RAAS) inhibitor in COVID- 19-affected Indian patients. Introduction: Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is responsible for COVID-19 infection. There has been uncertainty about use of RAAS inhibitors in COVID-19. The association of RAAS inhibitors with severity of infection and clinical outcomes was addressed in this study. Materials and methods: This is a single-center retrospective study from Indian intensive care unit (ICU). A total of 138 were included, who were divided into group A (RAAS inhibitor) and group B (non-RAAS inhibitor). They are followed up till ICU stay during which peak levels of ferritin, D dimer, interleukin-6 were noted (primary outcome). The number of ventilator days, ICU length of stay, and ICU outcome also compared. Results: Of 138 patients, 18 are included in group A and 120, in group B. There is no difference in peak levels (mean) D dimer [5,893 vs 7,710, p 0.46], ferritin [2,388 vs 3,635, p 0.56], interleukin-6 [9,597 vs 3,625, p 0.06]. There is no difference in number of ventilator days (2.2 vs 1.78, p 0.53) and ICU length of stay (6.5 vs 6.1, p 0.74). Conclusion: RAAS inhibitors can be safely continued in COVID-19 infection. It is not associated with an increase in severity of infection, ICU length of stay, and mortality. [ABSTRACT FROM AUTHOR]