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Fentanyl

Are There Side Effects?

Just like any medicine, fentanyl can cause side effects. However, not everyone who uses the drug will experience problems. In fact, most people tolerate it quite well.
 
If reactions do occur, in most cases, they are minor and either require no treatment or are treated easily by you or your healthcare provider. Serious reactions are less common.
 
Common side effects seen with fentanyl include but are not limited to:
 
 
(Click Side Effects of Fentanyl to learn more, including potentially serious side effects you should report immediately to your healthcare provider.)
 

Important Information for Your Healthcare Provider

Talk with your healthcare provider prior to using fentanyl if you have:
 
  • A history of drug or alcohol dependence or abuse
  • A history of breathing problems, asthma, chronic obstructive pulmonary disease (COPD), or any other lung disease
  • Paralytic ileus (a condition in which food does not move through the intestines as normal, leading to intestinal obstruction or blockage)
  • A head injury, brain tumor, or increased pressure around the brain
  • A history of strokes
  • A history of seizures
  • Problems urinating
  • Low blood pressure (hypotension)
  • Gallbladder or pancreas disease
  • Liver disease, such as cirrhosis, liver failure, or hepatitis
  • Kidney disease, such as kidney failure (renal failure)
  • A slow heart rate or abnormal heart rhythm
  • Mental health conditions, such as depression or schizophrenia 
  • Any allergies, including to foods, dyes, or preservatives.
 
Also, let your healthcare provider know if you are:
 
 
Make sure to tell your healthcare provider about any other medications you are taking, including prescription and nonprescription medicines, vitamins, and herbal supplements.
 
(Click Precautions and Warnings With Fentanyl to learn more, including information on who should not use the drug.)
 
What Your Pharmacist Wishes You Knew About Chronic Pain Medications

Fentanyl Drug Information

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