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Acetaminophen and 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 acetaminophen and pentazocine, contains only vague information on potential side effects, with no percentages given. Therefore, it can be difficult to know exactly how common the side effects of such medications may be.
 
Based on available information, some of the common side effects of acetaminophen and pentazocine include but are not limited to:
 
  • Constipation
  • Nausea
  • Drowsiness
  • Lightheadedness
  • Dizziness
  • Sedation
  • Vomiting
  • Sweating.
 
Side effects that are less common may include:
 
  • Euphoria (unusually intense feelings of excitement or happiness)
  • Headache
  • Confusion
  • Diarrhea
  • Loss of appetite
  • Dry mouth
  • Weakness
  • Unusual dreams
  • Insomnia
  • Fainting
  • Flushing
  • Chills
  • Abdominal (stomach) pain
  • Itching
  • Blurred vision or difficulty focusing
  • Pinpoint pupils
  • Tremors
  • Ringing in the ears.
 

Final Thoughts

You may experience some or none of the acetaminophen and 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 taking this drug 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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Acetaminophen and Pentazocine Information

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