Sciatica and L5-S1 Pinched Nerve: Causes, Relief and Treatment Without Surgery

What is sciatica?

Sciatica (साइटिका, *saitika* in Hindi) is pain, aching, numbness or tingling that runs from the lower back or buttock down the back of the leg, sometimes into the foot and toes, according to the NHS [1]. Doctors also call it lumbar radiculopathy or radicular pain, and it is often described as *nas dabna* (a pressed nerve) or *kamar se pair tak dard* (pain from the back to the leg). Pain from one nerve root follows a typical strip of skin (a dermatome) [5].

• The most common levels: the L4-L5 and L5-S1 levels of the lower back are the areas most prone to injury [6].
• Both legs: sciatica in both legs is a warning sign that needs urgent care [1].

Why does sciatica happen? A pressed nerve root, and the risks that add to it

Sciatica happens when something presses on or irritates a nerve root in the lower back; the most common cause is a slipped disc, and narrowing of the spine (spinal stenosis) and a slipped vertebra (spondylolisthesis) are other causes, according to the NHS [1]. Which people develop a slipped disc with sciatica is not random: a 2025 systematic review of 59 studies found it was linked with age 30 to 50, smoking, a higher body mass index, cardiovascular risk factors in women, and work with forward bending and lifting [2].

• Weight: a 2014 meta-analysis of 26 studies in the American Journal of Epidemiology found that obesity raised the odds of doctor-diagnosed sciatica by 31%, and overweight or obesity raised the odds of surgery for a slipped disc by 89% [3].
• Smoking: a 2016 meta-analysis of 28 studies in the American Journal of Medicine found that current smokers had 1.46 times the odds of sciatica or nerve root pain; the extra risk fell after stopping [7].
• Daily movement: in four Finnish cohorts (34,589 people), walking or cycling to work was linked with a 33% lower risk of hospital care for sciatica, and abdominal obesity with a 41% higher risk [8].
• Diabetes: in a national study from Taiwan (719,068 matched pairs), people with diabetes had 2.33 times the risk of a lumbar slipped disc [4].
• Weak, wasted back muscles: in people with a slipped disc, the deep back muscle (multifidus) on the same side shows smaller muscle fibres, more fat and more wasting [9][10], and in people with chronic low back pain, fat in this muscle was higher at L5-S1 than at L4-L5, and higher in women [11]. These studies show an association; they cannot yet say whether the muscle change comes before or after the disc problem.
• Cure4Pain’s clinic observation: the most common finding on muscle testing in our sciatica patients is weakness or wasting of the back and hip muscles, which in our clinical view adds to the load on the disc that leads to nerve compression and sciatica. Studies have not yet shown whether this muscle weakness comes first; this is a clinic observation, individual results vary, and further studies are needed.

L5-S1 and L4-L5 sciatica: where does the pain go?

L5 is the most common nerve root affected in the lower back, and the L4-L5 and L5-S1 levels are the areas most prone to injury [6]. The level often shows in where the pain and numbness go and which movements are weak [6]:

• Reflex: the ankle reflex can be reduced or lost with an S1 nerve root problem [6].
• How doctors confirm the level: the pain pattern, numbness, reflex or muscle weakness and the straight-leg raise test are used together, because single tests are not accurate on their own [5].
• Foot drop (difficulty lifting the front of the foot) comes from weakness of the muscles that lift the foot, which an L5 nerve root problem can cause [6]; severe or worsening foot drop needs a spine surgeon promptly.

What does my MRI report mean? Nerve root wording explained

MRI reports describe where a nerve root is pressed; the words below are the ones Indian patients most often search for. Disc wording (bulge, protrusion, PIVD, thecal sac indentation) is explained on our Slipped Disc page.

• Nerve root compression or impingement: the disc or bone is pressing on a nerve root (*nas dabna*). Whether this explains your pain depends on whether your symptoms match that root [5].
• Traversing nerve root: a nerve root passing down past a disc on its way to the level below; for example, a disc at L4-L5 usually presses the L5 root [6].
• Exiting nerve root and neural foraminal narrowing: the side opening where a nerve root leaves the spine is narrowed; for example, narrowing at the L5-S1 opening can press the L5 root [6].
• Lateral recess or canal stenosis: narrowing of the spinal canal or its side channels (spinal stenosis), another cause of sciatica, according to the NHS [1].
• Scan findings without pain are common: disc bulges were found in 30% of 20-year-olds and 84% of 80-year-olds with no back pain [12], so an MRI report is always read together with your symptoms and examination.

Is it sciatica, a slipped disc, piriformis syndrome or nerve damage from diabetes?

Sciatica describes the leg pain; a slipped disc is its most common cause, and narrowing of the spine is another [1]. Other problems can cause similar leg pain:

• Piriformis and deep gluteal syndrome: the sciatic nerve can be squeezed by muscles deep in the buttock, causing sciatica-like pain without a disc problem [13]; see our Piriformis Syndrome page.
• Nerve damage from diabetes or low B12: vitamin B12 deficiency can cause neurological changes, and metformin and acid-reducing medicines can lower B12, according to the US National Institutes of Health [14]; in a meta-analysis, metformin lowered B12 by an average of 57 pmol/L [15]. This is why we check HbA1c and B12 in every patient with leg pain; see our Neuropathy page.
• Back pain without leg pain: see our Lower Back Pain page; for neck and arm nerve pain, see Pinched Nerve & Radiculopathy.

Which doctor should I consult for sciatica?

For sciatica, the specialist doctor is a spine surgeon (an orthopaedic or neurosurgical spine specialist), who checks for warning signs, weakness and scan findings; India’s ICMR workflow refers leg pain from a pinched nerve that does not settle to an orthopaedic surgeon [16]. The ICMR workflow keeps a high threshold for invasive procedures [16]. At Cure4Pain, Dr Krushal Pabari and AT. Chintan Dalal, N.D. work alongside your spine surgeon: severe or worsening weakness, foot drop, a suspected fracture, cyst or tumour, and the emergency signs go first to a spine surgeon or hospital, and we take patients on afterwards under the surgeon’s guidance.

How does Cure4Pain treat sciatica?

Cure4Pain treats sciatica without surgery or injections, with a focus on L5-S1 and L4-L5 pinched nerves; we also see narrowing of the spine (mostly after 60), sciatica after spine surgery, and both recent and long-standing sciatica (not sudden or severe pain). AT. Chintan Dalal, N.D. sees 6 to 10 people with back pain a day, and about 80% of them have sciatica, most often at L5-S1 or L4-L5-S1. We take patients on only after their investigation reports and an assessment, never as walk-in treatment. This is our clinic’s experience; individual results vary, and further studies are needed. The plan includes:

1. Assessment first: muscle testing, the straight-leg raise and reflex checks, a review of your MRI, and our panel of more than 100 blood measures including B12 and HbA1c.
2. Twitch-response deep fascial acupuncture with nutritional supplementation: our main approach, as on our Lower Back Pain page: fine needles placed in deep muscle and fascia to bring a brief local twitch, a technique AT. Chintan Dalal, N.D. learned from acupuncture teachers in Spain and Korea and has refined in clinical practice.
3. Piriformis and gluteal stimulation for L5-S1 sciatica: for L5-S1, Cure4Pain’s method adds targeted stimulation of the piriformis and gluteal muscles, which lie along the sciatic nerve’s path through the buttock [13].
4. Electroacupuncture, dry needling, motor-point stimulation, myofascial release and cupping, where needed.
5. Schedule: usually twice a week for 6 weeks; with follow-up, care usually lasts 4 to 12 weeks in all.
6. Naturopathy: hot and cold applications and fomentation (warm compresses) for comfort in the painful phase.
7. Nutritional supplementation: vitamin B12, vitamin B1 (thiamine), magnesium (by mouth, and on the skin for comfort during mobility exercises), omega-3, protein and vitamin D, set for each person after blood tests.
8. Exercise in stages: during the first 4 weeks we ask patients to pause other exercise programmes (gym, sports, new workouts, yoga) until the sessions show strength improving; normal daily activity and gentle walking continue as comfort allows, as NICE and the NHS advise [17][1]. A home programme, with nerve glides where suitable, follows.
9. Medicines: Dr Krushal Pabari reviews and manages nerve-pain tablets (pregabalin, gabapentin), painkillers and muscle relaxants, and reduces them where appropriate. We do not give injections or recommend back belts.

What tests does Cure4Pain do for sciatica?

Before the first consultation, Cure4Pain checks inflammation, deficiencies and metabolic health as part of a panel of more than 100 measures, and reviews your MRI; India’s ICMR workflow suggests a blood count with ESR and CRP, and X-ray or MRI when the provisional diagnosis calls for it [16].

• Muscle testing: longissimus, quadratus lumborum, piriformis, gluteal muscles, vastus lateralis, biceps femoris, semitendinosus, plantaris and gastrocnemius.
• Nerve checks: straight-leg raise, reflexes, sensation and strength in the leg and foot [5].
• Deficiencies: vitamin B12, vitamin D with PTH and calcium, and iron studies. Magnesium is assessed from the overall clinical picture, because a blood magnesium test does not show how much magnesium the body holds [18].
• Metabolic: blood sugar and HbA1c, lipid profile, thyroid tests, kidney and liver function.
• Inflammation: ESR, CRP and hsCRP.

In India, the panel is available at a lower cost through our patient portal, with home collection across India. Outside India, the tests are done at a laboratory near you and reviewed with you in the consultation.

Does acupuncture or dry needling help sciatica? What the research shows

Acupuncture helps some people with chronic sciatica: in a 2024 trial published in JAMA Internal Medicine, run in six hospitals in China (216 people with sciatica from a slipped disc), 10 sessions of acupuncture over 4 weeks reduced leg pain and disability more than sham acupuncture, and the difference lasted to 52 weeks [19]. An overview of 7 reviews in 2025 found acupuncture promising for sciatica but the reviews had methodological flaws, so high-quality trials are still needed [20].

• Compared with medicines: in a 2023 meta-analysis of 30 trials (2,662 people), acupuncture improved sciatica more than medicines in mostly small trials, with moderate certainty for overall response and very low certainty for pain scores [21].
• Dry needling: Cure4Pain’s review of the research found no controlled trial of dry needling for sciatica outcomes; in a small study of people with chronic sciatica, needling trigger points in the gluteus minimus increased blood flow in the painful leg [22].
• The twitch response: in 6 trials of spinal pain, needling that produced local twitch responses reduced pain more immediately after treatment than the same needling without twitches, but not at short-term follow-up [23].
• Electroacupuncture: sham-controlled trials for sciatica from a slipped disc are under way, and results are not yet published [24].
• Nerve glides (neural mobilisation): in a 2023 meta-analysis, nerve glides reduced pain and disability in lumbar radiculopathy, though the trials varied widely [25].
• Cupping: in a 2024 meta-analysis of 11 trials in low back pain, cupping reduced pain at the end of 2 to 8 weeks of treatment, but the effect was not seen at one month or later [26].
• Guidelines differ: NICE does not recommend acupuncture for low back pain with or without sciatica, and recommends exercise, with manual therapy only as part of an exercise package [17].
• Chronic sciatica in general: a 2025 network meta-analysis of 50 trials found no non-surgical treatment with high-quality evidence of being better than the others [27]. Physiotherapy trials for sciatica have also been too varied to give firm answers [28].
• Cure4Pain’s method: we found no controlled trial of the exact combination of nutritional supplementation with twitch-response deep fascial acupuncture and piriformis and gluteal stimulation.

Do hot and cold applications help sciatica?

Heat is a common self-care step: the NHS suggests heat packs on the painful areas for sciatica [1], and in a Cochrane review, a heat wrap reduced acute and sub-acute low back pain after 5 days in two trials of 258 people [29]. We found no trial of heat or cold specifically for sciatica. At Cure4Pain, hot and cold applications and fomentation are used for comfort in the painful phase, as one part of the plan.

Do vitamin B12, vitamin D or magnesium help sciatica?

We found no trial of vitamins for sciatica itself. In low back pain, a placebo-controlled trial found that vitamin B12 injections reduced pain and disability in people without a deficiency [30], and a 2026 trial found that vitamins B1, B6 and B12 added to standard care reduced chronic low back pain more than standard care alone (84% vs 64% had at least a 30% reduction) [31]. In older people with spinal narrowing, methylcobalamin (a form of B12) did not improve pain more than usual care, though walking distance improved [32].

• Vitamin B12: checked in every patient, especially with diabetes or long use of metformin or acid-reducing medicines [14][15].
• Vitamin D: trials of vitamin D on its own have not reduced chronic low back pain [33], and we found no trial in sciatica. We use standard supplement doses in most people and, where needed, supervised-dose vitamin D therapy (Coimbra Protocol-based methods), with daily dosing and blood tests including PTH and calcium. The upper limit for adults is 4,000 IU a day, according to the US National Institutes of Health [34]; doses above this are used only under medical supervision.
• Magnesium: the upper limit from supplements is 350 mg of elemental magnesium a day for adults, absorption differs between forms, and a blood magnesium test does not show how much magnesium the body holds, according to the US National Institutes of Health [18]. We also use topical magnesium for comfort during mobility exercises.
• Vitamin B1, omega-3 and protein: added where tests or diet show a need; we found no trial of these for sciatica.
• Our clinic observation: we see improvement in many people when deficiencies are corrected as part of the whole plan; this is a clinic observation, individual results vary, and further studies are needed.

Which medicine is best for sciatica?

No tablet has strong evidence for sciatica. In a 2017 trial in the New England Journal of Medicine (209 people), pregabalin did not reduce sciatica leg pain more than placebo at 8 weeks or one year, and caused more side effects such as dizziness [35]. NICE advises not offering gabapentinoids (pregabalin and gabapentin), other antiepileptics, oral corticosteroids or benzodiazepines for sciatica, because there is no overall evidence of benefit and there is evidence of harm, and not offering opioids for chronic sciatica [17]. The NHS notes that paracetamol is unlikely to help and it is unclear how well anti-inflammatory painkillers such as ibuprofen work for sciatica [1].

• At Cure4Pain: Dr Krushal Pabari reviews and manages nerve-pain tablets, painkillers and muscle relaxants, and reduces them where appropriate, under clinical guidance from Team Cure4Pain. Never stop or change prescribed medicines without medical guidance.

Do I need an epidural injection or surgery for sciatica?

Most people do not. India’s ICMR workflow keeps epidural steroid injections for short-term relief of leg pain from a pinched nerve, and surgery for carefully selected patients [16]; NICE advises considering epidural injections of local anaesthetic and steroid for acute and severe sciatica, and spinal decompression when non-surgical treatment has not improved pain or function and the scan matches the symptoms [17]. We do not give injections at Cure4Pain.

• Epidural steroid injections: in a 2021 meta-analysis of 17 trials, they reduced leg pain more than placebo at 6 weeks and 3 months, but the difference was smaller than what patients usually notice as important [36].
• Surgery (discectomy): in a 2023 BMJ meta-analysis of 24 trials, surgery relieved leg pain faster than non-surgical care, but the benefit became smaller over time and was negligible in the long term (very low to low certainty) [37].
• Narrowing of the spine: in a Cochrane review of 5 trials, decompression surgery and non-surgical care showed no clear difference at 6 months and one year (low-quality evidence) [38].
• Foot drop: in 75 patients with painful foot drop from a slipped disc, earlier surgery was linked with better recovery, especially in younger and less frail patients [39]. This is why severe or worsening weakness and foot drop go first to a spine surgeon.
• Back belts: NICE advises not offering belts or corsets for low back pain with or without sciatica [17], and a Cochrane review found that lumbar supports do not prevent back pain and it is unclear whether they help treatment [40]; we do not recommend them.
• When we refer: severe or worsening weakness, foot drop, a suspected fracture, cyst or tumour, and the emergency signs (sciatica in both legs, numbness around the genitals or bottom, new bladder or bowel problems) go first to a spine surgeon or hospital; we take patients on afterwards under the surgeon’s guidance.

How long does sciatica take to heal?

Sciatica usually gets better in a few weeks to a few months, but it can last longer and can come back, according to the NHS [1]. In a UK primary care study of 609 people with back-related leg pain, 55% had improved by 12 months [41], and in a meta-analysis of 31 studies that repeated scans in 2,233 people treated without surgery, about 70% of slipped discs shrank [42]. In our clinic, most people report less pain within about 4 weeks, with sessions twice a week for 6 weeks and care lasting 4 to 12 weeks in all. Because sciatica often improves on its own over time, part of this improvement may be natural recovery. This is a clinic observation; individual results vary, and further studies are needed.

Does staying active or resting help sciatica?

Rest in bed does not help sciatica more than staying active: a Cochrane review found moderate-quality evidence of little or no difference between advice to rest in bed and advice to stay active for sciatica [43]. The NHS advises carrying on with normal activities as much as possible and not sitting or lying down for long periods [1]. At Cure4Pain, normal daily activity and gentle walking continue as comfort allows, while other exercise programmes pause for the first 4 weeks until the sessions show strength improving.

Can sciatica happen in pregnancy or with diabetes?

Yes. Back pain is common in pregnancy, and diabetes is linked with a higher risk of a slipped disc [44][4]. We see sciatica in women at all ages.

• Pregnancy: back pain is very common in pregnancy [44], while a slipped disc needing surgery in pregnancy is rare (11 operations per 100,000 person-years in Finland) [45]. During pregnancy, back pain and sciatica care is managed by Dr Krushal Pabari in association with your gynaecologist.
• Diabetes, thyroid and metabolic health: in our clinic, women with diabetes, hypothyroidism, metabolic syndrome or higher inflammation markers more often have muscle loss, lower back pain, sciatica and disc herniation. Research shows related links: in a 2026 meta-analysis of 11 studies (592,901 people), people with diabetes had 1.44 times higher odds of low back pain [46], in 605 patients diabetes and hypothyroidism were linked with more disc drying on MRI [47], and people with pain had higher odds of age-related muscle loss (sarcopenia) [48]. These are associations, not proof of cause; this is a clinic observation, individual results vary, and further studies are needed. See our Type 2 Diabetes, Hypothyroidism and Metabolic Syndrome pages.

What does a typical L5-S1 sciatica pattern look like at Cure4Pain?

A typical pattern we see is pain from the lower back or buttock into the back of the thigh and calf, often worse when sitting or bending, with weak gluteal and calf muscles on muscle testing, and an MRI that shows the L5-S1 or L4-L5 level. Blood tests often show low vitamin D or B12, and some people have raised HbA1c. This is a typical pattern from our clinic, not an individual result; individual results vary, and further studies are needed.

When is sciatica an emergency?

Go to a hospital emergency department straight away if you have sciatica in both legs, weakness or numbness in both legs that is severe or getting worse, numbness around the genitals or bottom, or new problems passing urine or controlling your bladder or bowels, according to the NHS [1]. India’s ICMR workflow also lists severe pain that is getting worse at night, a significant injury, weight loss, a history of cancer, fever, long-term steroid use, and a first severe episode after 50 as warning signs [16]. In India, call 112 for emergencies (108 for an ambulance in most states). We do not treat sudden or severe pain.

Does Cure4Pain work with my doctor?

Yes. We work alongside your existing consulting physician, spine surgeon and gynaecologist, share our findings with them, and any change to medicines is made under clinical guidance from Team Cure4Pain, in coordination with them.

How do I book a back pain consultation?

Please register your case on our patient portal with your latest blood tests, X-ray or MRI reports and medical history. We take patients on only after reviewing these reports and an assessment. Consultations are in person in Mumbai or online. Acupuncture, dry needling and other hands-on treatments are given only at our Mumbai clinic, so if in-person treatment is advised, please book when you can attend in Mumbai. Registrations and appointments are made only through our patient portal.

Evidence: key studies

Who treats you

• Dr Krushal PabariMD, PGCP - Rheumatic & Musculoskeletal Diseases. Assistant Professor, Cooper Hospital; Guest Professor, CMP Homoeopathic Medical College.
• AT. Chintan Dalal, N.D.BNYS, R.AP. Functional nutrition and Coimbra Protocol practitioner.

Consultations look at the whole person: alongside the medical and nutritional plan, we bring a strong interest in behavioural science to counselling on stress, sleep and lasting lifestyle change.

How consultations work: Mumbai or online worldwide

Book through our patient portal. You can see us in person at our clinic in Malad West, Mumbai, or online from anywhere. Your first consultation reviews your history and tests; we then agree a plan together and set the monitoring schedule.

Related conditions and articles

• Lower Back PainMuscle, joint and disc-related back pain.
• Slipped DiscA bulging or herniated disc; care without surgery where it is appropriate.
• Piriformis Syndrome & Buttock PainButtock pain that can run down the leg like sciatica.
• Pinched Nerve & RadiculopathyNeck, arm and back nerve pain from a pinched nerve, treated without surgery.

• Back, neck and joint pain
• Neuropathy

This page is for education and does not replace medical advice. Do not start, stop or change any medicine or supplement without medical guidance.

References

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