The dose for pharmaceutical fentanyl depends on how it is given and the patient's pain level. Fentanyl patches offer a continuous dose and last 72 hours. According to the National Institute of ...

During the COVID-19 pandemic, when fentanyl overdoses surged, doctors were desperate to find ways of helping their patients.

Taking buprenorphine while fentanyl is still active can push someone abruptly into withdrawal. So, they started giving patients small doses of the drug over a series of days to slowly build up the ...