Conservative Care vs Injections vs Surgery
How to Choose the Right Treatment Path for Back Pain, Neck Pain, Sciatica, and Nerve Pain
Normal MRI but Still in Pain?
Many patients experience significant pain despite normal MRI or CT findings. Imaging is only one part of the diagnostic process.
Pain Without Imaging FindingsOne of the most common questions I hear is: "Do I need injections? Do I need surgery? Shouldn't I just try physical therapy first?"
The honest answer is: it depends on your diagnosis.
There is no one-size-fits-all treatment for pain. The right treatment path depends on what is actually causing your pain, how severe your symptoms are, whether your nerves are being damaged, how you are responding to prior care, and what your goals are. This page will help you understand how these decisions are made and what to expect at each stage of treatment.
Note: If your imaging tests are normal but you still have pain, understanding why normal imaging doesn't rule out real pain is essential context for this conversation. Many of the conditions discussed here present with normal or minimally abnormal imaging.
Why Most Patients Do Not Need Immediate Surgery
One of the most important things to understand is that most neck and back pain improves without surgery. This is well-documented in medical literature. Many conditions that look concerning on imaging—herniated discs, spinal stenosis, degenerative changes—improve over weeks to months with appropriate conservative treatment.
Disc herniations, in particular, tend to shrink over time. The body has natural healing mechanisms. As inflammation resolves and pain improves, your function returns. This process often takes weeks to months, but it happens frequently without any specific treatment.
This does not mean surgery is never necessary. For the right patient—someone with progressive nerve damage, severe compression, or symptoms that are not improving despite appropriate treatment—surgery can be genuinely helpful. But surgery is not the first answer for most patients. It is a tool for specific situations.
The approach should be: "What is the least invasive treatment likely to address your diagnosis and help you return to function?" Often, that is conservative care. Sometimes, it is injections. Occasionally, it is surgery. The key is matching treatment to diagnosis, not choosing treatment because the tools are available.
What Conservative Care Includes
Conservative care is not just "wait and see." It is an active, structured approach to managing pain and restoring function.
Physical Therapy
This is the foundation. Physical therapy addresses the actual dysfunction causing pain—muscle weakness, movement pattern problems, inflexibility, or poor posture. A good physical therapist will assess your specific limitations and design a program targeting your problem. You should expect to feel worse before you feel better as you begin exercising, but the goal is progressive improvement over weeks.
Activity Modification
Some activities make pain worse. Others help. Learning which is which and adjusting your activity—not eliminating activity, but modifying it—is crucial. Pain is a signal. Listening to that signal and working within your tolerance while gradually expanding it is how you recover.
Medication When Appropriate
Anti-inflammatory medications, muscle relaxants, or other medications can help in the early stages. The goal is using medication to reduce pain enough to allow physical therapy to work, not using medication as a permanent solution. Some patients benefit from additional medication to manage pain at night or during work.
Sleep, Weight, and General Health
Sleep quality affects pain perception and healing. Weight affects load on joints and spine. Overall fitness affects recovery. These factors matter. Conservative care includes attention to these elements, not just formal therapy sessions.
Timeline and expectations: Most patients should expect 4–8 weeks of consistent conservative care before deciding whether it is working. If you are improving—even slowly—continuing is usually right. If you are not improving after 6–8 weeks of appropriate treatment, it is reasonable to consider injections or other options.
The success rate of conservative care varies by diagnosis. For acute pain with clear mechanical causes, success rates are often 70–80%. For chronic pain or complex cases, success may be lower. The key is knowing what success looks like for your specific problem.
When Injections Become Useful
Injections are not a substitute for conservative care—they are a tool that works alongside it. When inflammation is the primary problem, reducing that inflammation can reduce pain and improve function. This is where injections become useful.
Common injections include:
- Epidural steroid injection: Reduces inflammation in the spinal canal around nerves. Can improve pain and function, allowing physical therapy to work better.
- Medial branch block: Targets facet joint pain. Can provide relief while guiding whether facet joints are actually the source of pain.
- Radiofrequency ablation: For persistent facet pain, longer-term relief through controlled heat.
- Sacroiliac joint injections: Target SI joint dysfunction when that is the pain source.
- Peripheral nerve blocks: Address pain from specific nerves outside the spine.
What injections can and cannot do: Injections can reduce inflammation, improve function, and provide relief while your body heals. They can also provide diagnostic information—if pain improves after targeting a specific structure, that tells you something important about where the pain is coming from. What injections cannot do is repair structural damage or guarantee permanent relief. They are tools, used in the right situation, for the right patient.
The decision to inject should always be based on diagnosis. The fact that a certain injection exists does not mean you need it. The presence of an abnormality on imaging does not mean that abnormality is causing your pain. Injections should target the structure you believe is causing your pain—and that belief should come from clinical evaluation, not imaging severity.
When Surgery Should Be Considered
Surgery is appropriate when conservative care and injections have not resolved pain, or when the condition itself warrants surgical intervention. Specific indications include:
- Progressive neurological deficits: Worsening weakness, numbness, loss of reflexes, or functional loss despite treatment suggests nerve damage is progressing. This can warrant surgical decompression.
- Severe nerve compression causing significant disability: If you are unable to work or perform basic activities despite appropriate treatment, surgery may be an option.
- Spinal instability: Certain conditions cause instability that conservative care cannot address. Surgery may stabilize the spine.
- Persistent symptoms despite appropriate conservative and interventional treatment: If you have tried conservative care and injections without sufficient relief, and imaging shows a structural problem that could be surgically corrected, surgery may be worth considering.
An important note: Decisions about surgery should be made in consultation with a spine surgeon who has evaluated you personally. My role as a pain medicine physician is to ensure you have tried appropriate conservative and interventional options, to help you understand what is causing your pain, and to help you think through whether surgery addresses your specific problem. The final decision about surgery belongs with you and your surgeon.
Many patients worry that they "should" have surgery because their imaging looks bad. This is not how it works. The decision to operate should be based on: (1) Does the patient have symptoms?, (2) Are those symptoms coming from the structure that looks bad on imaging?, (3) Is there a reasonable chance surgery will improve those symptoms?, and (4) Have appropriate alternatives been tried? If the answer to any of these is "no," surgery may not be the right choice.
How I Help Patients Decide
My job is to help you understand what is causing your pain and what treatment options make sense for your specific situation.
Comprehensive History
I want to understand how your pain started, what makes it better or worse, how it has changed over time, and what you have already tried. Your history tells me about pain patterns and mechanisms. It also tells me whether treatments have been appropriate and what you are actually experiencing day to day.
Detailed Physical Examination
The exam tells me which structures are involved. I assess your range of motion, strength, sensation, and reflexes. I use specific maneuvers to reproduce your pain or rule out certain conditions. If I can reproduce your pain with a specific movement or test, that tells me something concrete about what is wrong. This information is at least as important as imaging.
Functional Assessment
How is your pain affecting your life? Can you work? Sleep? Exercise? How does that limitation affect your goals? This is not about pain severity—it is about how pain impacts the life you want to live. Treatment should address functional limitations, not just the number on a pain scale.
Imaging and Test Interpretation
I review your imaging in context of your clinical presentation. Does the imaging finding match your symptoms? Does it explain your exam findings? Many imaging abnormalities are coincidental and not causing your pain. Others are clearly the source. The interpretation depends on the whole picture, not the image alone.
Response to Prior Treatment
What did you try? How did you respond? If you improved with physical therapy, that tells me your pain has a mechanical or functional component. If you didn't improve, that tells me something different. If you had an injection and it helped, that tells me something about which structure is involved. This information guides what to try next.
Diagnostic Injections When Appropriate
If it is unclear which structure is causing pain, a diagnostic injection can provide important information. If pain improves after injecting a specific structure, that tells us that structure is involved in your pain. If pain does not improve, we can rule that structure out and look elsewhere. This is diagnostic information that guides treatment.
The goal of this entire process: To arrive at an accurate diagnosis and recommend the least invasive treatment likely to help you return to function. Not to recommend injections because they exist. Not to recommend surgery because you are frustrated. But to recommend the right treatment for your specific problem.
Frequently Asked Questions
Should I try physical therapy before injections?
In most cases, yes. Conservative care should be the first treatment attempted for most pain conditions, unless you have severe neurological deficits or progressive weakness. Physical therapy helps identify which structures are involved, improves function, and often reduces pain without needles or injections. If conservative care does not provide adequate relief within 4–8 weeks of appropriate treatment, injections may become useful.
Do injections prevent surgery?
Injections can delay or sometimes eliminate the need for surgery by reducing inflammation, improving function, and providing time for the body to heal. However, injections are not a guarantee against surgery. If your pain is from a condition that requires surgery—like severe nerve compression or progressive neurological deficits—injections are likely a temporary bridge, not a permanent solution. The goal is always to find the least invasive treatment that addresses your specific diagnosis.
Can injections cure a herniated disc?
No. Injections cannot repair a herniated disc or undo structural damage. What injections can do is reduce inflammation around the disc and nerve, which often reduces pain and improves function. Many herniated discs improve over time without any specific treatment. The injection's role is to manage inflammation while your body heals, not to cure the underlying structural problem.
How long should I try conservative care before considering other options?
This depends on your specific diagnosis and how you're responding. For most patients with nerve pain or mechanical pain, 4–8 weeks of appropriate conservative care is reasonable. If you're improving, continuing is appropriate. If you're not improving after 6–8 weeks despite consistent effort, it's reasonable to consider injections or other options. Some conditions progress more rapidly and warrant earlier intervention. The key is having an accurate diagnosis and tracking whether treatment is working.
When is surgery truly unavoidable?
Surgery becomes necessary when: you have progressive neurological deficits (worsening weakness, loss of feeling, or loss of bowel/bladder control), severe nerve compression causing significant disability despite appropriate treatment, or structural instability. In these situations, delaying surgery can result in permanent nerve damage. However, these situations are less common than many patients fear. Most patients with herniated discs or spinal stenosis improve with conservative or interventional treatment.
Are injections safe?
When performed by a trained physician using image guidance and sterile technique, injections are generally safe. The medications used—local anesthetic and steroids—have been used for decades in pain medicine. Serious complications are uncommon. However, no procedure is completely risk-free. Potential complications include infection, nerve damage, or reaction to medication. A thorough discussion of benefits and risks specific to your situation should happen before any procedure.
What if my MRI shows significant damage but I feel relatively well?
This is actually common. Many people with significant imaging findings—disc herniations, spinal stenosis, degenerative changes—have minimal or no pain. This mismatch means your pain is not coming from the structure that looks bad on imaging. This is important because it changes treatment decisions. Pursuing surgery to fix the "bad" MRI finding likely won't help if that's not actually causing your pain. Diagnosis depends on clinical evaluation, not imaging severity.
What if my MRI is normal but I have significant pain?
Normal imaging does not mean there's nothing wrong. Your pain may come from structures imaging cannot detect—nerve irritation, muscle dysfunction, or movement pattern problems. Normal imaging actually guides treatment because it tells us your pain is not from severe structural damage. This often means conservative care is appropriate and that injections, if needed, should target the functional problem rather than a large structural lesion.
The Right Treatment Is the One That Fits Your Diagnosis
The fundamental principle behind choosing between conservative care, injections, and surgery is this: diagnosis drives treatment.
Not every patient needs surgery. Not every patient needs injections. Not every patient improves with conservative care alone. The goal is understanding what is actually causing your pain and choosing the least invasive, most effective treatment for that specific problem.
This requires thorough evaluation. It requires listening to your history and taking it seriously. It requires a careful physical examination. It requires interpreting imaging correctly—not as a treatment plan, but as one piece of diagnostic information. It requires watching how you respond to treatment and adjusting accordingly.
This approach takes time and thought. It is easier to offer the first injection or surgery that comes to mind. But that is not how good medicine works. Good medicine asks: "What is actually wrong? What treatment will address that problem? What is the least invasive option likely to work?" If the answer is physical therapy, that is the recommendation. If it is injections, that is what we do. If it is surgery, we recommend that. The answer depends on your diagnosis.
About Dr. Simon Dardashti, MD
Board-Certified in Pain Medicine and Anesthesiology
- • UCLA Pain Medicine fellowship-trained
- • 10+ years specializing in spine, nerve, and musculoskeletal pain
- • Diagnosis-driven approach to treatment planning
- • Virtual consultations available for patients worldwide
Next Steps
If you are unsure whether conservative care, injections, or surgery is the right next step for your pain, a consultation can help clarify your options.
I can review your specific situation, examine you if needed, help you understand what may be causing your pain, and discuss what treatment approach makes sense for your diagnosis and goals.
Virtual consultations allow us to discuss your condition, review your imaging and prior treatment, and determine the right next step for your situation.