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Side Effects of Morphine Sulfate/Naltrexone Hydrochloride

Common Side Effects of Morphine Sulfate/Naltrexone Hydrochloride

Morphine sulfate/naltrexone hydrochloride has been studied thoroughly in clinical trials. In these studies, the most common side effects included:
  • Constipation (see Embeda and Constipation) -- in up to 31.2 percent of people
  • Nausea -- up to 22.2 percent
  • Drowsiness -- up to 13.9 percent
  • Psychiatric problems (unspecified) -- up to 9 percent
  • Vomiting -- up to 8.4 percent
  • Dizziness -- up to 7.7 percent
  • Headaches -- up to 6.9 percent
  • Itching -- up to 6.2 percent.
Other common side effects (occurring in 2 to 6 percent of people) included:
  • Upper abdominal pain (stomach pain)
  • Dry mouth
  • Fatigue
  • Insomnia
  • Flushing of the skin
  • Anxiety
  • Sweating.

Final Thoughts

You may experience some or none of the side effects listed in this article. Unfortunately, there is no way for your healthcare provider to know beforehand if you will have side effects from a medicine that you have never tried.
Therefore, make sure to let your healthcare provider know if you develop any side effects while taking the drug or if something "just does not seem right." While it may not be a morphine sulfate/naltrexone hydrochloride side effect, your healthcare provider will be able to diagnose and treat the problem.
Alternative Therapies for Pain Management

Morphine-Naltrexone Drug Information

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