Do I Need Surgery for a Herniated Disc?
Most herniated discs improve without surgery. Learn what the research shows, what to try first, and the signs that mean surgery is worth discussing.
Nikhil Adapa, MD
Fellowship-trained spine surgeon · Written and medically reviewed September 7, 2026
For most people, no. But a few symptoms change the answer, and it helps to know which ones.
Most herniated discs in the low back get better without surgery, usually over several weeks to a few months. Surgery is worth discussing when leg pain stays severe despite a reasonable trial of nonsurgical care, or when there is significant or worsening weakness. A small number of symptoms need emergency care. This article explains what the research shows and how to tell which situation you are in.
What a herniated disc is
Between each pair of vertebrae is a disc: a tough outer ring with a softer center. When the ring tears, some of the center can push out. That is a herniation, also called a slipped, bulging, or ruptured disc.
A herniation causes symptoms when it presses on or irritates a nearby nerve root. In the low back, that usually produces sciatica: pain, numbness, or tingling that travels from the buttock down the back or side of the leg, sometimes into the foot. The leg pain is often worse than the back pain.
Herniations are also common in people with no symptoms at all. An MRI showing a herniated disc only matters if it matches the symptoms and the examination.
What usually happens without surgery
The outlook for most people is good:
- Symptoms often improve over six to twelve weeks. The inflammation around the nerve settles, even when the disc is still there.
- Herniated disc material often shrinks on its own. The body can gradually break down and absorb it. Larger herniations, and fragments that have broken free of the disc, are often among the most likely to shrink.1
- Surgery and nonsurgical care often end up in a similar place. In large studies comparing the two, both groups improved. Surgery tended to relieve leg pain faster, but by a year or more later, the gap between the groups had often narrowed considerably.2,3
This is why surgery is rarely the first step. For many people, the real question is not whether they will get better, but how quickly, and how much they can put up with while they wait.
What to try first
Stay as active as you can. Bed rest is no longer recommended and can slow recovery. Adjust what you do rather than stopping everything. Short walks are often tolerated well.
Physical therapy can help settle symptoms and restore movement and strength. Some positions and exercises relieve leg pain, and a therapist can find which ones work for you.
Medication, such as anti-inflammatories, may help. A short course of other medications is sometimes used. Dr. Adapa or your primary care physician can advise what is appropriate for your health.
An epidural steroid injection places anti-inflammatory medication near the irritated nerve. It can reduce leg pain for a period, often enough to make physical therapy more productive while the herniation settles.
Time is itself a treatment. Many herniations need weeks to months, and progress is not always steady.
When surgery is worth discussing
Surgery becomes a reasonable conversation when:
- Leg pain remains severe or disabling after roughly six to twelve weeks of good nonsurgical care
- Weakness is significant or getting worse, for example trouble lifting the front of your foot (foot drop), or your knee giving way
- Pain is so severe it cannot be controlled, even early on
- Symptoms keep coming back and disrupting your work or life
These are reasons to discuss surgery, not automatic reasons to have it. Some people with persistent pain choose to keep waiting, and that can be a reasonable choice when strength is stable.
Urgent
Go to an emergency department for new loss of bowel or bladder control, numbness in the groin, genitals, or inner thighs (saddle numbness), or rapidly worsening weakness in one or both legs. These can be signs of cauda equina syndrome, a rare condition that needs surgery the same day.
What surgery involves
The standard operation for a herniated disc is a lumbar discectomy. The surgeon removes the piece of disc pressing on the nerve and leaves the rest of the disc in place. It is not a fusion.
Depending on the herniation and your anatomy, it can be done through:
- A small open incision using a microscope (microdiscectomy)
- A tubular approach, where a narrow tube separates the muscles rather than cutting them
- An endoscopic approach, using a camera and instruments through small portals
Most people go home the same day or the next day. Leg pain often improves quickly after surgery, though numbness and weakness can take longer to recover, and sometimes do not fully resolve.
What surgery does and does not do
Discectomy is generally reliable for leg pain caused by a pinched nerve. It is less predictable for back pain alone.
The disc can herniate again, at the same level, in a minority of patients. Most of those can also be treated effectively, sometimes without further surgery.
Dr. Adapa's approach
Most herniated discs are managed without surgery, and that is where care starts. Dr. Adapa explains what the imaging shows and how it relates to your symptoms, then recommends a nonsurgical plan with clear checkpoints. If surgery becomes worth discussing, the goal is the smallest operation that reliably relieves the nerve, whether through a tube, an endoscope, or a small incision.
Read next
Sources
- Chiu CC, Chuang TY, Chang KH, et al. The probability of spontaneous regression of lumbar herniated disc: a systematic review. Clinical Rehabilitation. 2015;29(2):184-195.
- Weinstein JN, Tosteson TD, Lurie JD, et al. Surgical vs nonoperative treatment for lumbar disk herniation: the Spine Patient Outcomes Research Trial (SPORT): a randomized trial. JAMA. 2006;296(20):2441-2450.
- Peul WC, van Houwelingen HC, van den Hout WB, et al. Surgery versus prolonged conservative treatment for sciatica. New England Journal of Medicine. 2007;356(22):2245-2256.
Common questions
Commonly around six to twelve weeks, provided your strength is stable and the pain is manageable. Worsening weakness or uncontrollable pain can shorten that. Some people choose to wait longer, and that is often reasonable too.
For most people with pain alone, a period of nonsurgical care does not harm the eventual result. Significant or progressive weakness is different; that deserves prompt attention, because nerve recovery may be better when pressure is relieved sooner.
The principles are similar. Most cervical herniations that cause arm pain improve without surgery. Neck herniations can occasionally press on the spinal cord rather than a single nerve, which can cause clumsy hands or balance problems. That situation is handled differently. See cervical herniated disc and cervical myelopathy.
Not necessarily. Size alone does not decide it. Some large herniations shrink the most on their own. Symptoms, strength, and how you are progressing matter more than how big the herniation looks on an MRI.
General education only. It does not replace an examination and does not create a physician-patient relationship.