Breakthrough pain may not occur everyday as for the most part long acting opioid medications do work as they are supposed to.
is a short acting opioid medication that is used a lot for
acute pain...pain after surgery or for
a short duration until an injury has healed. However, it is also commonly used as a rescue medication for chronic pain patients that are on a long acting opioid medication (Fentanyl, Morphine ER, Opana ER to name a few).