News Why is fentanyl so dangerous? The illicit drug has ruined lives during COVID pandemic October 23, 2021October 23, 2021Asha C. Gilbert, USA TODAYComments Off on Why is fentanyl so dangerous? The illicit drug has ruined lives during COVID pandemic Overdose deaths tied to fentanyl have increased in the last five years and since the COVID-19 pandemic. Here's why the drug is so dangerous.