Lumbar epidural steroid injections (LESIs) are a widely-used and effective treatment option for managing pain resulting from inflammation of the spinal nerves. 

These injections involve administering a combination of corticosteroids and local anesthetics into the epidural space between the bones of the spine and the dura mater, the outermost membrane surrounding the spinal cord. 

LESIs can provide significant relief from conditions such as herniated discs, spinal stenosis, foraminal stenosis, and sciatica, which often lead to pain, numbness, and weakness in the back and legs.

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Lumbar Epidural Steroid Injection: What You Need to Know

Lumbar epidural steroid injections (LESIs) are a common treatment for pain caused by inflammation of the spinal nerves. The injections are given into the epidural space, which is a space between the bones of the spine and the dura mater, the outermost layer of the meninges that surround the spinal cord.

What are LESIs used for?

LESIs are used to treat a variety of conditions that cause pain, numbness, and weakness in the back and legs, including:

• Herniated discs: A herniated disc occurs when the soft inner part of the disc bulges or ruptures through the outer, tougher part of the disc. This can put pressure on the spinal nerves, causing pain, numbness, and weakness.
• Spinal stenosis: Spinal stenosis is a narrowing of the spinal canal, which can compress the spinal cord and nerves. This can cause pain, numbness, and weakness in the back and legs.
• Foraminal stenosis: Foraminal stenosis is a narrowing of the openings in the bones of the spine where the spinal nerves exit. This can compress the nerves, causing pain, numbness, and weakness.
• Sciatica: Sciatica is a type of pain that radiates from the lower back down one or both legs. It is caused by compression of the sciatic nerve, which is the largest nerve in the body.

What to expect during a LESI

LESIs are usually performed in a doctor’s office or outpatient clinic. You will be asked to lie on your side or sit up with your back hunched over. The doctor will clean the area and numb it with a local anesthetic. A thin needle will then be inserted into the epidural space. Once the needle is in place, the doctor will inject a mixture of corticosteroids and a local anesthetic. The entire procedure usually takes about 15 minutes.

What are the benefits of LESIs?

LESIs can be an effective treatment for pain caused by inflammation of the spinal nerves. They can provide relief of pain, numbness, and weakness, and can help improve your range of motion. In some cases, LESIs can help to prevent surgery.

What are the risks of LESIs?

LESIs are generally safe, but there are some risks associated with the procedure, including:

• Infection: There is a small risk of infection at the injection site.
• Bleeding: There is a small risk of bleeding into the epidural space.
• Nerve damage: There is a small risk of damage to the nerves in the area of the injection.
• Headache: Headaches are a common side effect of LESIs. They are usually mild and go away on their own within a few days.
• Allergic reaction: There is a small risk of an allergic reaction to the corticosteroids.

Lumbar epidural steroid injections are a valuable treatment option for managing pain associated with spinal nerve inflammation. 

They offer significant relief from symptoms and can enhance the quality of life for individuals suffering from conditions like herniated discs, spinal stenosis, and sciatica. 

While generally safe, it is crucial to discuss the potential benefits and risks with your doctor to make an informed decision. For comprehensive care and expert guidance, consider consulting healthcare providers like Synergex Med, who specialize in advanced pain management techniques.