Interventional pain management has expanded well beyond a single kind of injection. Modern pain clinics offer a menu of targeted procedures, each designed for a specific type of pain. For patients in Woodland Hills who have been dealing with chronic pain and are weighing their options, this is a tour of the injection therapies commonly used and what each one is for.
Why Injections Are Used in Pain Management
The logic of interventional pain management is straightforward: if you can deliver medication directly to the source of the pain, you can often achieve better results at lower systemic exposure than you could with oral medication alone. A small amount of anti-inflammatory medication placed next to an irritated nerve root, or into an arthritic joint, or into a tight muscle band, can produce weeks to months of relief for the right patient.
Injections are almost always part of a broader plan that also includes physical therapy, activity modification, and, when needed, medication. They are not a standalone cure, and they do not correct the underlying structural problem. They are a tool for reducing pain enough to allow other parts of the plan to work.
Epidural Steroid Injections
Cervical, thoracic, and lumbar epidural injections deliver anti-inflammatory medication into the epidural space near an irritated nerve root. They are most useful for nerve-related pain — cervical radiculopathy (neck pain with arm symptoms), thoracic nerve pain, and sciatica or similar lumbar radicular pain.
These injections are typically performed with image guidance — fluoroscopy or similar — to ensure precise placement. The procedure itself is brief; recovery is short.
Not every back or neck pain patient is a candidate for an epidural injection. The best results are seen in patients with a clearly identified nerve component to their pain.
Facet Joint Injections and Medial Branch Blocks
Facet joint injections deliver medication into or near the small paired joints on the back of each vertebra. They are used when the facet joints have been identified as the pain source — typically axial back or neck pain that worsens with extension and rotation.
Medial branch blocks are a related procedure used diagnostically: a local anesthetic is placed near the specific nerves that carry pain signals from the facet joints. If the block provides meaningful (if temporary) relief, it confirms that the facet joints are driving the pain.
When diagnostic medial branch blocks are positive, a radiofrequency procedure can be used to provide longer-term relief by interrupting pain signals from those specific nerves.
Sacroiliac Joint Injections
The sacroiliac joints, where the base of the spine meets the pelvis, can be a source of chronic lower back, buttock, and sometimes groin pain. SI joint injections deliver medication into or near the joint. They are used both diagnostically (to confirm the SI joint as a pain source) and therapeutically (to reduce pain when the SI joint has been identified as the pain generator).
Trigger Point Injections
Trigger point injections are used for myofascial pain — persistent muscle-based pain, typically with focal tender “knots” that are tender when pressed and often refer pain elsewhere. The injection involves a small amount of local anesthetic (sometimes with a small amount of steroid) placed directly into the trigger point.
Common targets include the trapezius and rhomboid muscles (for upper back and shoulder pain), the piriformis (for buttock and posterior hip pain), and various other muscles in the neck and back. Trigger point injections are usually part of a plan that also includes physical therapy and stretching.
Peripheral Nerve Blocks
For certain types of pain originating in specific peripheral nerves, nerve blocks can provide relief. Examples include occipital nerve blocks for certain types of headache, genicular nerve blocks for chronic knee pain, and others. The specifics depend on the condition and the target.
Joint Injections
Intra-articular injections into joints other than the spine — knee, shoulder, hip — are used for arthritis and certain joint pain conditions. Several medications can be used, each with its own profile of onset and duration. Image guidance is often used for deeper joints like the hip.
PRP and Regenerative Injections
Platelet-rich plasma (PRP) injections use a concentrated preparation of your own blood and are used for certain joint and tendon conditions. PRP is considered investigational for many uses and is typically not covered by insurance.
How Your Physician Chooses
Which injection is right for your specific pain depends entirely on the diagnosis. Epidural steroid injections are excellent for nerve-related pain and not particularly helpful for facet pain. Facet injections are the opposite. Trigger point injections help with myofascial pain but not with disc problems. The point of a careful evaluation is to match treatment to diagnosis.
Some patients have more than one pain source and benefit from more than one type of injection. For others, an injection is not the right answer, and the plan focuses on other components.
What a Typical Visit Involves
When you come in for an injection procedure, you will typically:
- Check in and change into a gown if needed
- Have a brief review of your procedure plan
- Be positioned for the injection, typically on an imaging table
- Have the skin cleaned and a local anesthetic applied
- Have the injection performed with image guidance
- Be observed briefly after the procedure
- Receive specific post-procedure instructions
Most injection procedures are outpatient. Specific guidance about driving, work, and activity depends on the procedure and whether sedation was used.
Injection Therapies at Our Woodland Hills Clinic
Southwest Pain Management’s Woodland Hills clinic offers the full range of interventional injection procedures. Our approach is diagnosis-first — we identify what is driving your pain before we recommend a specific procedure — and we emphasize the least invasive effective treatment.
Frequently Asked Questions
How do I know which injection is right for me? Your physician will choose based on the diagnosis, which requires a careful evaluation that usually includes history, physical examination, and sometimes imaging or diagnostic blocks.
Are injections safe? Pain management injections are considered generally safe when performed by a trained specialist with image guidance. Each procedure carries some risks, which your physician will review before the procedure.
How long does relief from an injection last? This varies considerably by patient and by injection type. Some patients get weeks of relief, others get months. Injections are typically part of a broader plan rather than a standalone solution.
Will I need multiple injections? Some patients benefit from a single procedure; others benefit from a short series. Your physician will discuss what is reasonable for your situation.
Does insurance cover these procedures? Most insurance plans cover established interventional procedures like epidural injections, facet injections, and SI joint injections. Coverage for newer or less-established treatments like PRP varies. The front-desk team can help verify benefits before your procedure.
Request a Consultation
Contact Southwest Pain Management to schedule an evaluation at our Woodland Hills clinic.
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