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Pentazocine Side Effects

Common Side Effects

For many medications, the prescribing information carefully details the exact percentage of side effects that were observed in clinical trials. However, the prescribing information for almost all older medications, including pentazocine, contains only vague information on possible side effects, with no percentages given. Therefore, it can be difficult to know exactly how common reactions to such medications may be.
Based on available information, some of the more common pentazocine side effects may include:
  • Nausea
  • Dizziness or lightheadedness
  • Vomiting
  • Euphoria (unusually intense feelings of excitement or happiness)
  • Sweating
  • Skin hardening, lumps, or indentations at the injection site
  • Stinging at the injection site
  • Flushing (sudden warmth and redness of the skin)
  • Itching.
Other possible reactions may include but are not limited to:

Final Thoughts

You may experience some or none of the pentazocine side effects listed in this article. Unfortunately, there is no way for your healthcare provider to know beforehand if you will have problems with a medicine that you have never tried.
Therefore, make sure to let your healthcare provider know if you develop any side effects while using pentazocine or if something "just does not seem right." While it may not be related to the medication, your healthcare provider will be able to diagnose and treat the problem.
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Pentazocine Drug Information

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