Facet Joint Injection Potential Risks and Complications


As with all invasive medical procedures, there are potential risks and complications associated with facet joint injections. However, in general, the risk is low and complications are rare.
Potential risks and/or complications that may occur from a facet joint injection include:

Allergic reaction.

Usually, the allergy is to the X-ray contrast or steroid; rarely to local anesthetic. Life threatening or severe allergies are rare.

Bleeding.

A rare complication, bleeding is more common for patients with underlying bleeding disorders or in patients on blood thinners.

Infection.

Minor infections occur in less than 1% to 2% of all injections. Severe infections are rare, occurring in 0.1% to 0.01% of injections.

Discomfort at the point of the injection or worsening of pain symptoms.

These symptoms are usually mild and short-lived. Long lasting increases in pain are rare.

Nerve or spinal cord damage or paralysis. While very rare, damage to the spinal cord or spinal nerves can occur from direct trauma from the needle, or secondarily from infection, bleeding resulting in compression, or injection into an artery causing blockage.

In addition to risks from the injection, some patients will experience side effects from the steroid medication, such as:

  • ·         Transient flushing with a feeling of warmth ('hot flashes') for several days
  • ·         Fluid retention, weight gain, or increased appetite
  • ·         Elevated blood pressure
  • ·         Mood swings, irritability, anxiety, insomnia
  • ·         High blood sugar - diabetic patients should inform their primary care physicians about the injection prior to their appointment
  • ·         Transient decrease in immunity
 

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