Metformin use reduces risk of death for patients with COVID-19 and diabetes, study finds

Use of the diabetes drug metformin -- before a diagnosis of COVID-19 -- is associated with a threefold decrease in mortality in COVID-19 patients with Type 2 diabetes, according to a new study. Diabetes is a significant comorbidity for COVID-19. This beneficial effect remained, even after correcting for age, sex, race, obesity, and hypertension or chronic kidney disease and heart failure.