COVID-19 drug 2-DG not for everyone, DRDO issues directions for usage COVID-19 drug 2-DG not for everyone, DRDO issues directions for usage The drug could be a game-changer in the battle against the pandemic as it helps in faster recovery of hospitalised patients. Share Updated: Jun 1, 2021, 11:48 PM IST The Defence Research and Development Organisation (DRDO) on Tuesday issued directions on the usage of the new COVID-19 drug 2-DG. The DRDO said that patients with uncontrolled diabetes, severe cardiac problem, acute respiratory distress syndrome (ARDS), severe hepatic and renal impairment should be cautious before taking this medicine. The drug can be given to patients under the care and prescription of doctors, DRDO said.