No, medications cannot cause COVID-19 because COVID-19 is caused by the SARS-CoV-2 virus , which is transmitted through respiratory droplets, aerosols, or contaminated surfaces. Medications do not contain or produce viruses. However, some medications might affect the immune system , making individuals more susceptible to infections, including COVID-19. Examples include: Immunosuppressants (e.g., corticosteroids, chemotherapy, biologics for autoimmune diseases) Certain cancer treatments Long-term high-dose steroids