what is fentanyl for
Fentanyl is a synthetic opioid drug that is used as a potent analgesic or anesthetic adjuvant. The agent is available under various brand names including Duragesic, Sublimaze, Actiq, Onsolis, Instanyl and Fentora.Fentanyl has a rapid onset of action, which lasts only for a short time. The drug is widely used in the management of breakthrough pain as well as an anesthetic.Fentanyl is also used in the form of a transdermal patch to manage chronic pain.he agent is available under various brand names including Duragesic, Sublimaze, Actiq, Onsolis, Instanyl and Fentora. Fentanyl has a rapid onset of action, which lasts only for a short time. The drug is widely used in the management of breakthrough pain as well as an anesthetic.