Radiofrequency ablation (RFA) is a minimally invasive, image-guided procedure that uses controlled heat to quiet small sensory nerves that carry chronic pain signals from a joint. It may help adults with chronic neck, low back, sacroiliac joint, or knee pain, especially when a diagnostic nerve block has already confirmed the pain source. Board-certified pain specialists at California Pain Consultants in San Diego evaluate candidacy and perform radiofrequency ablation for carefully selected patients.
Chronic pain rarely affects only one part of the body.
Over time, it begins affecting routines, movement, sleep, emotions, and overall quality of life.
The purpose of Radiofrequency Ablation is not to promise a cure. It is to address a carefully identified pain source, support function, and help the patient participate more comfortably in an individualized care plan.
What Is Radiofrequency Ablation?
Understanding the diagnosis and treatment target helps set realistic expectations before Radiofrequency Ablation is recommended.
The nervous system constantly sends information between the body and the brain.
When joints, muscles, or tissues become inflamed or damaged, nerves carry pain signals to the brain.
In chronic pain conditions, these pain signals may continue long after the original injury or inflammation develops.
Radiofrequency Ablation is a minimally invasive pain management procedure that uses controlled heat generated by radiofrequency energy to interrupt pain signals traveling through specific nerves.
The treatment targets small sensory nerves responsible for transmitting chronic pain signals.
By disrupting these nerve signals, RFA may help reduce pain for extended periods of time.
When Radiofrequency Ablation May Be Considered
A procedure or medication plan is chosen only after the likely pain source, prior care, health history, and personal goals have been reviewed.
Chronic Neck Pain
Facet joint arthritis in the cervical spine may cause chronic neck pain and stiffness.
Chronic Lower Back Pain
Lumbar facet joint pain is one of the most common reasons for RFA treatment.
Sacroiliac (SI) Joint Pain
The SI joints connecting the pelvis and spine may generate chronic lower back pain.
Arthritis-Related Joint Pain
Certain arthritic joint conditions may respond to nerve-targeted treatment.
Knee Pain
Genicular nerve radiofrequency ablation may help selected patients with chronic knee pain.
Chronic Pain After Injury
Persistent nerve-related pain following injury may sometimes respond to RFA.
Symptoms and Daily-Life Effects to Discuss
Tell your clinician where symptoms occur, what makes them better or worse, and how they affect function. That pattern can be as important as an imaging result.
- Deep aching pain
- Stiffness
- Pain during twisting or standing
- Localized spine discomfort
- Reduced mobility
- Pain worsening with activity
- The pain may become constant enough to interfere with movement and daily activities
How Candidacy Is Evaluated
Not everyone with a related diagnosis is a candidate for Radiofrequency Ablation. Evaluation is used to confirm the treatment target and compare reasonable alternatives.
Medical History
Common considerations include:
- Pain location
- Activities that worsen symptoms
- Previous treatments
- Surgical history
- Mobility limitations
Physical Examination
Common considerations include:
- Joint tenderness
- Spine movement
- Pain during extension or twisting
- Functional limitations
Imaging and Care Planning
The diagnosis is based on both imaging and symptoms.
Common considerations include:
- Arthritis
- Degenerative changes
- Facet joint inflammation
- Joint degeneration
What to Expect During Radiofrequency Ablation
Specific instructions vary. The care team explains preparation, anesthesia or medication decisions, what the patient may feel, and the follow-up plan before treatment.
Step 1: Preparation
The patient is positioned comfortably, and the skin is cleaned carefully. Local anesthesia is often used to numb the treatment area.
Step 2: Imaging Guidance
Using fluoroscopy or ultrasound guidance, the physician carefully positions specialized needles near the targeted nerves. Imaging guidance improves safety and precision.
Step 3: Sensory and Motor Testing
Small electrical stimulation may be used to confirm proper needle placement. This helps ensure the correct nerve is being treated.
Step 4: Radiofrequency Treatment
Controlled heat generated by radiofrequency energy is delivered to the targeted nerve. The treatment interrupts pain signal transmission.
Treatment time depends on the location and number of nerves treated; Cleveland Clinic notes that radiofrequency ablation takes from 15 minutes to two hours to complete.
Step 5: Recovery and Observation
Patients are monitored briefly before returning home.
Recovery, Timing, and Follow-Up
Response to Radiofrequency Ablation varies with the diagnosis, treatment technique, and individual health factors. Follow the specific instructions provided by your care team.
After Treatment
Some patients experience temporary soreness for several days after treatment. Most individuals return to light activity relatively soon after the procedure. Recovery is generally relatively quick.
When Improvement May Begin
Others notice gradual improvement over several weeks as inflammation settles and treated nerves stop transmitting pain signals. Pain relief timing varies. Some patients experience improvement within several days.
How Long Effects May Last
According to Cleveland Clinic, pain relief can be immediate for some people, occur within 10 days for others, or take up to three weeks. Relief can last from six to 12 months, and for some people it lasts a few years. When nerves regrow, this usually happens about six to 12 months after the procedure, and repeat treatment may be considered if the first one helped.
One reason many patients choose RFA is the potential for longer-lasting relief compared to injections alone. Sometimes over a year depending on the condition and nerve treated Because nerves may eventually regenerate, repeat treatment may occasionally become necessary.
Common considerations include:
- Several months
- Six months or longer
Rehabilitation and Activity
Common considerations include:
- Core strengthening
- Posture improvement
- Flexibility
- Joint stabilization
- Movement mechanics
Potential Benefits of Radiofrequency Ablation
The goal is meaningful improvement in comfort and function, not an unsupported promise that every symptom will disappear.
- Reduced chronic pain
- Improved mobility
- Better sleep
- Reduced medication dependence
- Improved activity tolerance
- Longer-lasting relief compared to temporary injections
- Many patients report feeling more active and functional after successful treatment
- A treatment plan matched to a defined pain source
Risks, Safety, and When to Call
All treatments have risks. The risks of Radiofrequency Ablation depend on the technique, medication or device, anatomy, and individual health history.
- Temporary soreness
- Bleeding
- Infection
- Nerve irritation
- Temporary numbness
Contact your care team for increasing redness, warmth, swelling, drainage, fever, severe or worsening pain, or numbness or weakness that does not improve as expected. Seek emergency care for trouble breathing, fainting, or signs of a severe allergic reaction.
How This Treatment Fits into Comprehensive Care
Interventional care is most useful when it supports a broader plan built around diagnosis, movement, function, emotional well-being, and informed decision-making.
Part of a Broader Plan
The goal is improving long-term function and quality of life.
Common considerations include:
- Physical therapy
- Exercise programs
- Rehabilitation
- Weight management
- Neuromodulation
Support for Daily Life
Many patients slowly begin organizing daily life around avoiding painful movement. Over time, chronic pain may affect confidence, emotional well-being, and independence. Targeted treatments like RFA may help patients regain comfort and function again.
Everyday activities that may become harder include:
- Standing
- Walking
- Exercising
- Driving
Who May Benefit from Radiofrequency Ablation
RFA tends to work best when a specific, small nerve target has been confirmed. Good candidates often share several features:
- Chronic pain lasting at least several months that limits daily activity
- A pain pattern pointing to the facet joints, sacroiliac joint, or knee
- Meaningful short-term relief from a diagnostic block, such as medial branch blocks for the spine or a genicular nerve block for the knee
- Limited improvement from physical therapy, medication, and activity changes
- No active infection or uncontrolled bleeding risk
Your care team reviews these factors before recommending treatment.
Video: A Specialized Radiofrequency Ablation Application
Basivertebral nerve ablation is a specialized use of radiofrequency energy for carefully selected vertebrogenic low-back pain. In this video, Dr. Cohen explains that specific treatment and its role in an individualized care plan.
Is Radiofrequency Ablation Right for You?
Chronic spine and joint pain can slowly affect nearly every part of life. It interferes with movement, sleep, activity, work, and emotional well-being. Over time, even simple daily tasks may become exhausting because of persistent pain and stiffness.
California Pain Consultants provides individualized evaluation and discusses the expected benefits, limitations, alternatives, and risks before recommending care.
Treatment at California Pain Consultants
At California Pain Consultants, radiofrequency ablation follows a stepwise path. Your care team first identifies the likely pain source through examination and imaging, then confirms it with a diagnostic block. If the block brings meaningful short-term relief, RFA may be offered to extend it. Treatment targets may include the facet joints, the sacroiliac joint after sacroiliac joint injections clarify the source, or the knee. You can also read more about our approach to nerve ablation in San Diego.
We see patients at four clinics across San Diego County:
San Diego, CA 92123Get Directions
San Diego, CA 92128Get Directions
La Mesa, CA 91942Get Directions
Chula Vista, CA 91911Get Directions
Procedures are performed at the Comprehensive Pain ASC in Rancho Bernardo and the EPC Surgery Center in La Mesa. We accept most insurances. Call (858) 571-3630 or request your appointment to find out whether radiofrequency ablation fits your pain.
Book Your AppointmentTrusted Information and Related Care
General medical references: MedlinePlus: Pain · National Institute of Neurological Disorders and Stroke: Pain.
Related California Pain resources: Medial branch blocks · Arthritis pain · Conditions and treatments.
This article is for general education and does not replace an individualized medical evaluation. Recommendations depend on the diagnosis, health history, current medications, examination, imaging or diagnostic testing, and personal goals.
Frequently Asked Questions About Radiofrequency Ablation
Find clear, medically responsible answers about Radiofrequency Ablation, who may be a candidate, what to expect, and when to contact your healthcare team.
What is radiofrequency ablation, and how does it work?
Radiofrequency ablation uses controlled thermal energy to interrupt selected sensory nerve signals. In pain care, it is commonly performed on small nerves serving spinal facet joints or the knee after diagnostic testing supports the target.
What conditions or symptoms may radiofrequency ablation help address?
It may be considered for facet-mediated neck or back pain, sacroiliac-related pain in selected pathways, chronic knee pain through genicular nerves, or other carefully defined nerve targets. It does not remove arthritis or repair structural damage.
Who may be a candidate for radiofrequency ablation?
A candidate has a diagnosis and, when required, a meaningful response to diagnostic nerve blocks. The clinician also reviews infection, bleeding risk, implanted devices, anatomy, neurologic status, and whether another pain source is more important.
Why do I need a nerve block before radiofrequency ablation?
A diagnostic block temporarily numbs the same nerves that RFA would treat. If your usual pain improves meaningfully during the hours the block is active, those nerves are likely carrying your pain, and RFA is more likely to help. If the block does not help, your care team looks for another pain source before considering ablation.
How should I prepare for radiofrequency ablation?
Follow instructions about blood thinners, fasting, transportation, and regular medicines. Bring records of diagnostic block responses and tell the team about implanted electrical devices, infection, pregnancy, or allergies.
What happens during radiofrequency ablation?
With imaging guidance, specialized needles are positioned next to the target nerves. Sensory or motor testing may help confirm placement before radiofrequency energy creates a small controlled lesion.
Is radiofrequency ablation painful?
Local anesthetic numbs the skin and treatment area, and some patients also receive light sedation. You may feel pressure or brief sensations during nerve testing. Soreness or muscle spasms at the treatment site may last a few days, and Cleveland Clinic notes discomfort can persist for a week or two. Ice and the comfort plan your team provides usually help.
What is recovery like after radiofrequency ablation?
Localized soreness, muscle spasm, numbness, or a temporary pain flare can occur for days or occasionally longer. Light activity is usually resumed gradually, with rehabilitation as comfort improves.
What can I do after radiofrequency ablation?
Plan for someone to drive you home. Cleveland Clinic advises avoiding driving and strenuous activity for 24 hours, and most people return to normal activities, including bathing, after a day or two. Light walking is usually encouraged. Using the relief period to build strength and flexibility may help you get more from treatment.
What are the risks of radiofrequency ablation?
Complications are uncommon. Possible risks include temporary soreness, bleeding, infection, nerve irritation, and temporary numbness near the treated area. Tell your care team about blood thinners, implanted devices, and allergies. Contact them for increasing redness, warmth, fever, or numbness or weakness that does not improve as expected.
How soon will I feel relief after radiofrequency ablation?
Timing varies. Cleveland Clinic notes that relief can be immediate for some people, occur within 10 days for others, or take up to three weeks. Temporary soreness at the treatment site may hide the benefit at first, so your care team usually assesses results after several weeks rather than the day of treatment.
How long does radiofrequency ablation last?
Relief from radiofrequency ablation commonly lasts six to 12 months, and for some people it lasts a few years, according to Cleveland Clinic. Because treated nerves can regrow, pain may gradually return, usually about six to 12 months after the procedure. If the first treatment helped, repeat treatment may be considered.
How does radiofrequency ablation fit into a broader treatment plan?
Ablation may create a longer window for exercise and function than a diagnostic block, but it remains part of a broader plan. Strength, mobility, medication review, and management of the underlying joint or spine condition continue.
When should I call my healthcare team or seek urgent care after radiofrequency ablation?
Call promptly for fever, drainage, increasing redness, severe or steadily worsening pain, new weakness, or a skin burn. Seek emergency care for bowel or bladder dysfunction, saddle numbness, progressive paralysis, chest pain, or trouble breathing.