Herniated Disc

What is Herniated Disc?

A herniated disc, also called a slipped or ruptured disc, occurs when the gel-like center of a spinal disc pushes through a tear in its tougher outer ring. In the lower back, about 95% of herniations occur at the L4-L5 or L5-S1 levels, and disc problems are among the most common causes of back pain.^[1]

Common symptoms

Symptoms depend on where the disc sits and whether it touches a nerve. A lumbar herniation can cause low back pain, and when a nerve root is irritated, pain, tingling or numbness that travels down one leg, which is often called sciatica.^[2] Weakness in the leg or foot can occur when the nerve is compressed.

Some herniations cause no symptoms at all. Leg pain that seems to be sciatica is sometimes referred pain from the back and not nerve root pressure, which matters because the course and treatment differ.^[2]

Causes and risk factors

Discs lose water and become less resilient as they age, and a tear in the outer ring lets the center push out.^[1] A review of risk factors for back pain and sciatica found that older age, smoking, physical stress on the spine such as vibration, and psychological stress including depression raised the risk of a future episode.^[3]

Both pressure on the nerve and inflammation around it appear to be needed for a herniated disc to cause nerve symptoms.^[2]

How it is diagnosed and treated conventionally

Diagnosis rests mainly on your history and a physical examination. MRI is typically used when symptoms are severe, getting worse, or lasting, or when surgery is being considered.^{[1, 2]}

The outlook is often good. In the first 6 to 8 weeks, treatment is usually conservative: advice to stay active, physical therapy, pain medicines including anti-inflammatory drugs, and sometimes steroid injections near the nerve.^[2] A meta-analysis of 11 cohort studies found that about two thirds of herniated discs shrank on their own with conservative care, although the studies were observational.^[4]

Surgery such as discectomy is an option when pain is severe or does not settle. A review of 24 trials in people with sciatica from a disc herniation found very low to low certainty evidence that discectomy eased leg pain faster than non-surgical care, with a negligible difference at 12 months.^[5]

Why Herniated Disc calls for a whole-person approach

A herniated disc is not only a mechanical problem. Inflammation, nerve sensitivity, muscle tension, general health and stress all appear to shape whether a herniation hurts and how long pain lasts.

Care that also addresses these factors is therefore a reasonable addition to treatment aimed at the spine. The factors below are the ones best supported by research.

Inflammation around the nerve

Inflammation as well as compression is thought to be needed for a nerve root to cause symptoms.^[2] Studies of herniated discs that shrink on their own describe inflammation, new blood vessel growth and immune cell activity as part of that process.^[6]

A sensitized nerve

Pain from an irritated nerve root is a form of neuropathic pain, which can be complex and hard to treat.^[7]

Muscle tension and movement

Muscle spasm around the spine can add to pain, and acupuncture is proposed to act partly by relaxing it.^[7] Staying active is part of standard early care.^[2]

General health, stress and mood

A review of 15 systematic reviews found that poor general health, including smoking, and psychological stress, including depression, each raised the risk of a future episode of back pain or sciatica.^[3]

Acupuncture for Herniated Disc

What the research shows

Research suggests acupuncture may reduce leg pain and improve function, with the best evidence in chronic sciatica from a herniated disc. In a trial at six hospitals in China, 216 adults received 10 sessions of real or sham acupuncture over 4 weeks. On a 100-point scale, leg pain fell by about 31 points with real acupuncture and about 15 with sham. Disability also improved more, and the differences were still present at one year.^[8]

A meta-analysis of 30 randomized trials with 3,503 participants found acupuncture gave a better response rate than traction and several anti-inflammatory medicines for lumbar disc herniation, and lower pain scores than traction and diclofenac. Most of the comparisons were against active treatments, not sham acupuncture, and the authors called for larger, more rigorous trials.^[9]

A TCM guideline for lumbar disc herniation also covered manual acupuncture and electroacupuncture in its graded recommendations.^[10] Most trials come from China, so results may not carry over to every setting.

How acupuncture may work

Researchers propose that acupuncture acts on several levels at once. A review of mechanism studies lists relaxing muscle spasm, reducing pressure on nerve roots, improving small-vessel blood flow, lowering the release of inflammatory signaling molecules, and changing how the spinal cord and brain process pain.^[7] These are proposed explanations, not settled facts.

What treatment involves

Treatment uses fine, sterile, single-use needles placed at points on the back, buttock and leg, usually left in place for about 20 to 40 minutes. The sham-controlled trial gave 10 sessions over four weeks.^[8] We reassess after a short course of visits.

Serious problems from acupuncture are rare. In prospective studies, about 9 in 100 patients had a minor reaction such as bleeding, pain or redness at a needle site, and serious events occurred in about 1 in 10,000 patients.^[11] Tell the practitioner first if you have a bleeding disorder, take blood thinners, are pregnant, or have a pacemaker (relevant to electroacupuncture).

Ayurvedic medicine for Herniated Disc

The Ayurvedic view

Ayurveda has no exact counterpart for a herniated disc. Leg pain with a disc cause is traditionally compared with Gridhrasi, a Vata disorder named for the walk of a person in pain.^[12] Low back pain with stiffness is traditionally called Katigraha. In this framework Vata is the principle said to govern movement. These are traditional categories for choosing treatment, not biomedical diagnoses.

Therapies that may be used

Care is chosen for the individual and traditionally combines:

• Diet and daily routine intended to calm Vata, such as warm, regular meals and steady sleep hours
• Warm oil massage and local heat over the back and leg
• Herbs such as nirgundi (Vitex negundo) and guggulu-based formulas, which small clinical studies of Gridhrasi have tested^{[12, 13]}
• Basti, a medicated enema therapy from Panchakarma, which has been reported in a case of disc prolapse^[14]

Panchakarma procedures are not appropriate during pregnancy, acute illness or frailty, or before red-flag symptoms have been medically assessed.

What the research shows

The research on Ayurveda for herniated disc is very limited. A PubMed search found no systematic reviews and no placebo-controlled trials for disc herniation. One report describes a single 46-year-old woman with a prolapsed disc whose pain and disability improved over 7.5 months of oral medicines, oils, fomentation and Basti, with MRI showing less nerve compression.^[14] A case report cannot show that the treatment caused the change, especially since many herniated discs improve over time.^[4]

Studies of Gridhrasi (sciatica) are also small. A study of 102 patients found symptoms improved with a nirgundi extract and improved more when Matra Basti was added, but it had no placebo or untreated group.^[13] A 40-patient single-group study of a guggulu formula reported mild to moderate improvement in most.^[12]

Herbal medicine for Herniated Disc

Herbs and formulas that have been studied

Most relevant research covers Chinese herbal formulas for lumbar disc herniation and Western herbs for general low back pain. The 2024 TCM guideline covered formulas including Shentong Zhuyu decoction, Shenzhuo decoction, Simiao San, Duhuo Jisheng decoction and several patent capsules.^[10] Western herbs studied for low back pain include devil's claw, white willow bark and capsicum (cayenne) applied to the skin.^[15]

What the research shows

The evidence is limited and comes mostly from lower-quality trials. A meta-analysis of 27 trials with 3,133 patients found Chinese herbal compounds gave better response rates and pain scores than conventional medicines for lumbar disc herniation. The authors downgraded the evidence for risk of bias, inconsistent results and sparse safety reporting.^[16] A meta-analysis of nine trials, all from China, found Shentong Zhuyu decoction gave better response rates and pain scores than the comparison treatments, and again noted the limited quality of the studies.^[17]

A Cochrane review covered 14 trials of non-specific low back pain, not disc herniation. It found moderate-quality evidence that topical capsicum reduces chronic low back pain more than placebo, and low to moderate-quality evidence for short-term relief with devil's claw and white willow bark.^[15] Whether this carries over to nerve root pain is not known. Transdermal medication therapy, in which an herbal preparation is applied to the skin, may be used at the clinic, and we make no claim of effect for it.

Safety and herb-drug interactions

Herbs are active substances and can interact with medicines. Case reports describe serious problems such as bleeding and hematomas when warfarin was combined with herbs including dang gui (Angelica sinensis), dan shen (Salvia miltiorrhiza), ginger, ginseng and Boswellia.^[18] People taking blood thinners need a practitioner's review before using herbs for pain.

In one study, about one fifth of Ayurvedic products bought online contained detectable lead, mercury or arsenic.^[19] Herbs should come from tested sources and be prescribed individually. Tell us if you are pregnant or breastfeeding, have liver or kidney disease, or have surgery planned.

Translating traditional medicine into modern biological language

The links drawn here are interpretation, not equivalence. Chinese medicine describes pain from a disc as blocked flow of qi and blood in the channels of the back and leg, often with blood stasis and weakness of the kidney system. Researchers studying acupuncture for nerve root pain measure things that loosely parallel this picture: local blood flow, muscle spasm, inflammatory signaling and the way the nervous system amplifies pain.^[7]

Ayurveda's aggravated Vata describes sharp, shooting pain that limits movement. No study has shown that a dosha corresponds to a specific biological process.

How this care fits with your medical care

Integrative care for a herniated disc is complementary. Keep your physician, physical therapist or spine specialist, and do not stop or change prescribed medicines without your prescriber. We do not diagnose the cause of back or leg pain, so new or worsening pain should be medically evaluated.

Please bring your diagnosis, any MRI or other imaging reports, a full list of medicines and supplements, and details of any injections or surgery, planned or past. If surgery is scheduled, tell us so we can plan around it.

When to seek urgent medical care

Some symptoms point to severe nerve compression, such as cauda equina syndrome, or another serious cause, and need emergency assessment.^[1]

• New trouble passing urine, or loss of bladder or bowel control
• Numbness in the groin, genitals or inner thighs (the "saddle" area)
• Leg weakness that is new or getting worse, such as a foot that drags
• Severe pain, numbness or weakness in both legs
• Back pain with fever, unexplained weight loss or a history of cancer
• Symptoms that begin after a serious fall or accident

If any of these occur, call 911 or go to the nearest emergency department.