Short and Long term Fentanyl Effects

The National Institute on Drug Abuse reports that fentanyl's short-term effects on the body can last anywhere from 2 to 16 hours and excretion of a single dose of fentanyl can take anywhere from 6 to 32 hours. A few consequences of long-term fentanyl abuse are mouth ulcers, liver cancer, stroke, heart failure, and potential permanent brain damage. To learn more about long term effects of fentanyl and treatment options, visit