The epidural space is the area around the spinal cord. When steroids are injected, they work to reduce inflammation in this area. This can help to relieve pain and improve function.
When getting an epidural steroid injection, you can expect to feel a small amount of discomfort at the injection site as the local anesthetic is injected. However, the procedure itself is minimally invasive and can be done in an outpatient setting.
Once the area is numb, a fluoroscopy is used to visualize the epidural space. A fluoroscopy is a specialized x-ray that allows your doctor to view the spine in real time. Your doctor will start by injecting a small amount of dye to ensure that the medication will flow properly. Then, a small needle is inserted into the epidural space, and a long-acting steroid is injected. The entire procedure normally takes about 15-20 minutes.
After an injection, most people notice relief almost instantly. This is due in part to the local anesthetic. The steroid itself takes anywhere from 2-5 days to be effective. Although the effects of the steroid can last for several months, this relief is temporary, and you may need to repeat the injections every few months.
After the procedure is completed, you should start to feel relief from your pain within a few hours. You will need to avoid strenuous activities for the first 24 hours after the procedure. The effects of the nerve block will typically last for six months, depending on the type of nerve block used and how your body metabolizes the medication.
There are a few potential side effects that can occur after getting a nerve block. These side effects include: bruising, tenderness, and numbness at the injection site. Most side effects are minor and will go away on their own within a few days. In rare cases, more serious side effects can occur, such as: paralysis, infection, and nerve damage.
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