Lumbar Facet Block

Medically reviewed by Drugs.com. Last updated on Apr 6, 2025.

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A lumbar facet block is a procedure used to decrease inflammation in your lower spine. Medicines are injected at facet joints in your lower back. Facet joints are found at the back of each vertebrae.

WHILE YOU ARE HERE:

Before your procedure:

• Informed consent is a legal document that explains the tests, treatments, or procedures that you may need. Informed consent means you understand what will be done and can make decisions about what you want. You give your permission when you sign the consent form. You can have someone sign this form for you if you are not able to sign it. You have the right to understand your medical care in words you know. Before you sign the consent form, understand the risks and benefits of what will be done. Make sure all your questions are answered.
• An IV is a small tube placed in your vein that is used to give you medicine or liquids.
• Local anesthesia is a shot of medicine put into your skin. It is used to numb the area and dull the pain. You may also get medicine to keep you calm and relaxed. You may still feel pressure or pushing during the procedure.

During your procedure:

• You will lie on your stomach, with your body slightly turned to the side. A pillow may be placed under your abdomen, or you may be asked to bend one or both knees.
• A needle will be inserted into the facet joint in your lower back. Your surgeon may use contrast liquid with an x-ray or CT to help guide the needle. He or she will inject medicines, such as steroids, to decrease inflammation.

Drugs used to treat this and similar conditions

After your procedure:

You will be taken to a room to rest until you are fully awake. You will be monitored closely for any problems. Do not get out of bed until your healthcare provider says it is okay. Your provider may have you move the area to see if you still have pain. You may then be able to go home.

RISKS:

You may bleed more than expected or get an infection. Nerves, blood vessels, or muscles may be damaged. You may have numbness in other areas. You may still have lower back or leg pain.

CARE AGREEMENT:

You have the right to help plan your care. Learn about your health condition and how it may be treated. Discuss treatment options with your healthcare providers to decide what care you want to receive. You always have the right to refuse treatment.

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The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.

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