COVID-19: Older drugs for a novel disease-Chloroquine, hydroxychloroquine, and possible Pentoxifylline-set to start the second innings?

Currently no drug is approved for the prophylaxis and management of COVID 19. Lots of activities on vaccine and trials with drugs are underway. Some evidence have shown positive results using older established drug in the management of severe cases. We are also of same view and opinion to adopt some emergency measure by pharmacological intervention till a newer drug available in the market.