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What are the risks and side effects?
Generally speaking, transforaminal injections are is safe. However, with any procedure there are risks, side effects and possibility of complications. The most common side effect is pain from the actual injection once the local anesthetic wears off and this pain is temporary. The other uncommon risk involve spinal puncture with headaches, infection, bleeding inside the epidural space, nerve damage and worsening of symptoms. Other uncommon risks are related to the side effects of the long acting steroid such as weight gain, increase in blood sugar in diabetics, water retention and suppression of body's own natural production of steroids.