Neuromodulation (spinal cord stimulation, DRG stimulation, or peripheral nerve stimulation) uses small electrical impulses to “quiet” pain signals before they reach your brain. It’s minimally invasive, reversible, and focused on long-term nerve pain relief.
Injections and nerve blocks can be highly effective but generally provide short- to intermediate-term relief (days to months) and often need to be repeated.
Radiofrequency ablation (RFA) can provide pain relief for 6–12 months, sometimes longer, but treated nerves can regrow, which may require repeat procedures.
Neuromodulation is typically considered when other non-surgical options—medications, physical therapy, injections, RFA—haven’t provided sufficient lasting relief, or when major surgery is not a good fit.
The “best” treatment is individualized. At MAPS, your pain specialist considers your diagnosis, pain pattern, prior treatments, health history, and personal goals to recommend the safest, most effective options for you.

Explore related guides in this series:

What Is Neuromodulation for Neuropathy? A Complete Patient Guide
How Neuromodulation Targets Neuropathy Pain: What Patients Need to Know
5 Quick Signs You Might Benefit from Neuromodulation
Neuromodulation: Advanced Pain Relief at MAPS Centers for Pain Control

Note: This article is for education only and not a substitute for medical advice. Always consult a qualified pain specialist about your specific condition.

How Neuromodulation Became a Game-Changer in Chronic Pain

When Timothy R. Lubenow, MD, now with MAPS Centers for Pain Control in Chicago, first started practicing, the pain toolbox looked very different. He describes the early days of pain medicine this way:

“In the early point of my training as a young anesthesiologist in my residency, I first rotated through the pain service at Rush. And I was enamored by some of the straightforward, simple things that anesthesiologists could do… to help alleviate pain. Albeit, at that point in time, most of the tools that we had were injections, which would give short-term to intermediate-term pain relief.”

Those injections helped many people—but the relief often faded, and long-term answers for chronic nerve pain were limited.

Over the next several decades, Dr. Lubenow helped bring more advanced options, especially spinal cord stimulation (SCS) and later dorsal root ganglion (DRG) stimulation, into mainstream pain practice. These neuromodulation techniques are designed to provide sustained relief from conditions like nerve pain after spine surgery, neuropathy, and complex regional pain syndrome (CRPS).

One reason these therapies are so important: they fill the gap between short-term injections and major spine surgery. For many patients at MAPS, neuromodulation creates a path to meaningful, long-lasting pain control without undergoing a big operation.

What Is Neuromodulation?

Neuromodulation is a family of treatments that use tiny electrical impulses to change how your nervous system processes pain. Rather than “numbing” a nerve or masking pain with medication, neuromodulation modifies the pain signal itself.

Common forms include:

Spinal Cord Stimulation (SCS)

Thin leads (wires) are placed near the spinal cord.
A small implanted device (similar to a pacemaker, but for pain) delivers electrical impulses to reduce the sensation of pain coming from specific regions, often the low back and legs.
Modern systems can use different waveforms and settings to match your pain pattern and comfort.

Dorsal Root Ganglion (DRG) Stimulation

Leads are placed at the dorsal root ganglion, where sensory nerve fibers from a particular body region are tightly bundled.
This allows very precise targeting, making DRG especially helpful for focal pain like CRPS in one foot, ankle, or knee.
Dr. Lubenow was one of the first physicians in the U.S. to perform DRG stimulation and has trained many other pain specialists on this technique.

Peripheral Nerve Stimulation (PNS)

Leads are placed near a peripheral nerve, such as the nerve around the knee, shoulder, or head.
It’s often used for localized pain in a single joint or region when the pain source is clearly linked to a specific nerve.

Shared Features of Neuromodulation

Regardless of the specific type, most neuromodulation systems share a few important traits:

Trial first: You don’t commit to a permanent implant right away. First, you undergo a temporary trial, usually about a week. If your pain improves significantly—often defined as around 50% or greater—and your
function improves, you and your physician may move forward with an implant.
Minimally invasive: Permanent placement is typically done through small incisions in an outpatient setting.
Adjustable and reversible: Settings can be changed over time to match your changing pain patterns. If necessary, the system can be turned off or even removed.

Dr. Lubenow notes that spinal cord stimulation is “one of the very few treatments that has been studied and demonstrated to have randomized control evidence of giving sustained pain relief at one year and longer than one year time frames, where many of the other treatments that one had previously done would not give anything but short-term pain relief.”

Other Non-Surgical Pain Treatments: Strengths and Limits

Before anyone jumps to neuromodulation, it’s standard—and smart—to consider more conservative options first. These may include:

1. Medications and Physical Therapy

Medications such as anti-inflammatories, neuropathic pain medications, muscle relaxants, and others may be used to reduce pain and improve function.
Physical therapy can improve strength, mobility, posture, and biomechanics, which is vital for back and joint pain.

For some people, this combination is enough. For others with severe nerve pain, it only partially reduces symptoms or stops working over time.

2. Injections and Nerve Blocks

Common examples include:

Epidural steroid injections for nerve irritation around the spine
Facet joint injections for arthritic spine joints
Selective nerve root blocks to pinpoint and treat specific nerves
Sympathetic nerve blocks for conditions like CRPS

These injections can interrupt pain signals and calm inflammation, sometimes dramatically. However, as Dr. Lubenow observed early in his career, their relief is often short- to intermediate-term—lasting days to months rather than years.

That doesn’t mean injections are a “band-aid” or useless; they are powerful tools for both diagnosis and treatment. But they may not be enough on their own for severe, chronic nerve pain.

3. Radiofrequency Ablation (RFA)

Radiofrequency ablation uses controlled heat to disrupt pain-carrying nerves:

A needle is guided to the target nerve under imaging, then heated to “stun” or ablate the nerve.
Pain relief often starts within days to weeks.
Many patients experience relief for 6–12 months, and some longer.
Because nerves can regenerate, pain may gradually return, and RFA can be repeated.

RFA is particularly useful for pain related to specific spine joints (facet joints) or peripheral nerves, such as the genicular nerves around the knee. It can be a great non-implant, non-surgical option—especially when you’ve already had good but short-lived relief from diagnostic nerve blocks.

Neuromodulation vs. Injections & Nerve Blocks

If you’re comparing neuromodulation vs injections, here are key distinctions:

Duration of Relief

Injections/nerve blocks: Generally provide short- to intermediate-term benefit. You might experience relief for a few days, weeks, or months. Because of this, they’re often repeated several times per year if effective.
Neuromodulation: Designed as a long-term solution. Once a system is implanted and working well, it can keep providing relief for years, with adjustments to the settings as needed.

Mechanism of Action

Injections: Reduce inflammation or temporarily numb specific nerves.
Neuromodulation: Changes how your nervous system processes pain, reducing the brain’s perception of pain rather than simply numbing an area.

Role in the Treatment Journey

Injections and blocks: Often used earlier in treatment to both diagnose and treat pain, and to see how pain responds to certain targets.
Neuromodulation: Considered when pain is chronic, nerve-based, and not adequately controlled by medications, physical therapy, and injections/RFA.

For many MAPS patients, injections are extremely useful. For others, they become a stepping stone: once short-term tools prove where the pain is coming from but can’t keep up with daily life, neuromodulation becomes a logical next step.

Spinal Cord Stimulator vs. RFA: How Do You Decide?

A common comparison is spinal cord stimulator vs RFA, especially in patients with chronic spine or joint-related pain.

When RFA Might Be the Better Fit

Pain is clearly linked to specific joints or well-defined nerves (e.g., facet joints in the spine or genicular nerves at the knee).
You’ve had strong but temporary relief from diagnostic blocks in that same region.
You’re looking for a repeatable, non-implant option that offers months of relief without a device.

When Spinal Cord Stimulation Might Be the Better Fit

Pain is more widespread or neurologic, such as:
- Failed back surgery syndrome
- Painful diabetic neuropathy
- Widespread leg or arm nerve pain
- CRPS affecting larger portions of a limb
Conservative options (medications, therapy, injections, and/or RFA) have not provided durable relief.
Pain has lasted longer than six months and significantly impacts sleep, mood, and daily activities.
You want a long-term, adjustable, reversible approach rather than repeated destruction of nerves.

In many cases, RFA and neuromodulation are not “either/or” forever. A patient might start with RFA and progress to neuromodulation later if pain returns or spreads. Your MAPS pain specialist will help you navigate that path based on what’s worked (and what hasn’t) so far.

DRG Stimulation: Taking Precision to the Next Level

For patients with focal nerve pain, especially CRPS limited to part of a limb, dorsal root ganglion (DRG) stimulation can sometimes outperform traditional SCS.

Dr. Lubenow explains DRG stimulation as a two-step process:

A temporary trial using very small-diameter leads placed at the nerve root level where sensory fibers are densely packed.
If the trial significantly reduces pain in the targeted area, a permanent implant is performed later, usually via small incisions in the lower back.

He emphasizes that the procedure is minimally invasive and reversible:

“It’s something that can be removed at a later point in time if desired, just like spinal cord stimulation. But it’s a minimally invasive procedure… These are all done as an outpatient procedure and within a week to two weeks you’re recovered from that procedure and then you need to go through a course of physical therapy or occupational therapy in order to upgrade your functional status…”

For the right candidate, DRG stimulation can be life-changing—especially younger patients whose lives and careers have been “on hold” because of severe limb pain. Dr. Lubenow describes helping patients go from feeling hopeless to finishing school, returning to work, and rebuilding social and family lives:

“There’s something gratifying to treat a person of any age, but particularly somebody who’s in the early part of their own life… when you take that type of individual who feels like there’s no hope and you apply this treatment… and you get them back to a point where they can jump back into life again… that’s so very gratifying to see that you’ve been able to make a difference in someone’s life.”

How MAPS Helps You Choose the Best Path Forward

Dr. Lubenow makes an important point for anyone feeling stuck with chronic pain:

“We now have more treatment options, minimally invasive… treatment options for pain relief that we didn’t have necessarily 10 years ago and certainly not 20 years ago… patients should feel hopeful that there is a better answer for them that can provide a more meaningful improvement in their ability to function.”

At MAPS Centers for Pain Control, the choice between neuromodulation, injections, RFA, or other treatments is never one-size-fits-all. Your care team looks at:

Your exact diagnosis
Where and how your pain behaves (focal vs widespread, nerve vs joint vs muscle)
What you’ve already tried and how long it helped
Your health history and lifestyle
Your goals—from walking farther, to working full-time, to simply getting through the day without constant pain

For some, the next step is a carefully planned injection or RFA. For others, it’s time to seriously consider a spinal cord stimulator or DRG system.

Either way, the map is built around you.

FAQs: Neuromodulation vs. Other Pain Treatments

1. Do I have to fail “everything” before I can try neuromodulation?

Not necessarily. Neuromodulation is often considered once you have chronic pain lasting more than six months and have tried reasonable conservative measures—medications, physical therapy, and injections or RFA—without enough relief. The goal is not to “suffer longer,” but to choose the right level of treatment at the right time.

2. How long does pain relief from neuromodulation last?

If you respond well to the trial, a permanent system is implanted with the expectation of long-term use. Many patients experience sustained relief over years, with periodic adjustments to settings. While no treatment is guaranteed, neuromodulation is designed as a long-term solution, not just a temporary patch.

3. How long does RFA last compared to neuromodulation?

RFA: Typically 6–12 months of relief, sometimes longer, but nerves usually regrow, so the procedure may be repeated.
Neuromodulation: Intended to provide relief for as long as the system is functioning and helpful. The device can be reprogrammed rather than repeatedly “re-doing” the same destructive procedure.

4. Is neuromodulation safe? What are the risks?

Neuromodulation procedures are minimally invasive but still involve anesthesia, needles, and small incisions. Risks can include infection, bleeding, lead migration, hardware issues, and the possibility that it may not provide enough relief. Your MAPS physician will review risks and benefits in detail based on your health history.

5. Is neuromodulation reversible?

Yes. Both spinal cord and DRG stimulators can be turned off or surgically removed if they’re ineffective, no longer needed, or cause complications. Many patients, however, keep their devices because of the improvement in pain and function.

6. How do I know if I’m a candidate for a spinal cord stimulator or DRG stimulator at MAPS?

You may be a candidate if:

You’ve had moderate to severe pain for at least six months
Pain is neuropathic or nerve-related
Conservative treatments (medications, PT, injections/RFA) have not provided lasting relief
Pain significantly interferes with your daily life and function

A MAPS interventional pain specialist will review your case, examine you, look at your imaging, and discuss whether a trial of neuromodulation makes sense for your specific condition.

Ready to Explore Your Best Option for Lasting Pain Relief?

If you’re living with chronic nerve pain and feel stuck between short-term treatments and major surgery, the specialists at MAPS Centers for Pain Control can help you find a long-term, minimally invasive solution tailored to your life.

Our team includes nationally recognized leaders like Timothy R. Lubenow, MD, offering advanced neuromodulation options—including spinal cord stimulation, DRG stimulation, and peripheral nerve stimulation—plus a full spectrum of non-surgical pain treatments.

You don’t have to navigate this alone. Relief is possible, and the next step starts with a conversation.

👉 Schedule a consultation with MAPS today
Call (773) 917-8400 or visit https://www.mwpain.com to learn more.