https://www.clinicaltrialsarena.com/comment/dexamethasone-covid-19/
Dexamethasone was found to reduce deaths in patients on ventilators by one-third and by one-fifth in patients who required oxygen only. No benefits were found in those who did not need respiratory assistance. With these results, the UK government approved the use of dexamethasone for Covid-19 patients needing oxygen and those on ventilators.
換言之:這東東隻對搶救危重病人有一定效果。效果