
The following list contains some of the key side effects that may occur while taking fentanyl. These drugs are often used to treat similar conditions.įentanyl works in your brain to change how your body feels and responds to pain.įentanyl can cause mild or serious side effects. A class of drugs is a group of medications that work in a similar way. How it worksįentanyl belongs to a class of drugs called opioid agonists.

These are people who have taken another opioid pain drug that no longer works as well. Why it’s usedįentanyl transdermal patch is used to treat chronic pain in opioid-tolerant people. This means you may need to use it with other medications. In some cases, the brand-name drug and the generic version may be available in different forms and strengths.įentanyl transdermal patch may be used as part of a combination therapy. Generic drugs usually cost less than the brand-name version.
