Abstral Fentanyl: How Long Does Abstral Last?
Abstral Fentanyl, the active ingredient in the drug Abstral, is an effective opioid analgesic. It is comparable to other Abstral Pill like Subsys and Duragesic (a fentanyl patch) (fentanyl spray).

Abstral Fentanyl, the active ingredient in the drug Abstral, is an effective opioid analgesic. It is comparable to other Abstral Pill like Subsys and Duragesic (a fentanyl patch) (fentanyl spray).