Addiction drug shows promise lifting long COVID brain fog, fatigue

Lauren Nichols, a 34-year-old logistics expert for the U.S. Department of Transportation in Boston, has been suffering from impaired thinking and focus, fatigue, seizures, headache and pain since her COVID-19 infection in the spring of 2020. Last June, her doctor suggested low doses of naltrexone, a generic drug typically used to treat alcohol and opioid addiction. After more than two years of living in 'a thick, foggy cloud,' she said, 'I can actually think clearly.'