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OxyContin Side Effects

Serious Side Effects

Some side effects with OxyContin are potentially serious and should be reported immediately to your healthcare provider. These include, but are not limited to:
  • The urge to take more OxyContin than prescribed or for a non-medical purpose (see OxyContin Addiction)
  • Falling or unsteadiness
  • Unusual changes in mood or behavior
  • Severe constipation
  • Confusion
  • A slow heart rate (bradycardia)
  • Difficulty passing urine
  • Low blood pressure (hypotension)
  • Slow or irregular breathing
  • Severe drowsiness
  • Seizures
  • Signs of an allergic reaction, such as:


    • An unexplained rash
    • Hives
    • Itching
    • Swelling of the mouth or throat
    • Wheezing
    • Difficulty breathing.


Rare Side Effects Seen With OxyContin

There are other rare but possible OxyContin side effects that can occur. In studies, these side effects occurred in less than 1 percent of people taking the medicine. For these side effects, it is difficult to tell whether they are actually caused by OxyContin or something else.
These less common side effects include, but are not limited to:
  • Ringing of the ears (tinnitus)
  • Increased appetite
  • Sore throat
  • Neck pain
  • Migraines
  • Taste changes
  • A spinning sensation (vertigo)
  • Difficulty passing urine
  • Absent menstrual periods
  • Decreased sex drive
  • Impotence (also known as erectile dysfunction, or ED)
  • Dry skin.
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OxyContin Medication Information

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