This Addiction Drug Shows Some Potential Against Long COVID Symptoms By: Benzinga via Benzinga October 19, 2022 at 08:41 AM EDT Researchers are working on cures for long COVID. With some success, naltrexone has been used to treat pain, fatigue, and brain fog ... Read More >> Related Stocks: Gsk Plc ADR Humanigen Inc Pfizer Vir Biotechnology Inc