Skip to main content
See also Warning section.This medication is used to help relieve sudden (breakthrough) cancer pain in people who are regularly taking moderate to large amounts of opioid pain medication. Fentanyl belongs to a class of drugs known as opioid analgesics. It works in the brain to change... View More Info
Vaccine icon

Inside Rx now offers discounts on vaccines!

Get the Inside Rx app

Save up to 80% on brand & generic medications.