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Sciatica Treatment and Physiotherapy

Understanding Sciatica

Sciatica can be one of the most disruptive pain experiences there is — a sharp, burning, or shooting pain that travels from the lower back through the buttock and into the leg, sometimes all the way to the foot. It may come with numbness, tingling, or weakness in the leg. When it flares, sitting, standing, and sleeping all become difficult.

The good news: sciatica is well-understood, and physiotherapy is one of the most effective approaches for addressing it.

What is Sciatica?

Sciatica refers to pain that follows the path of the sciatic nerve, the longest nerve in the body, which runs from the lower spine through the buttock and down each leg. The nerve becomes irritated or compressed — most commonly by a herniated disc, spinal stenosis, or muscle tightness in the piriformis — and the result is that distinctive radiating pain.

Sciatica is a symptom, not a diagnosis on its own. Identifying what is compressing or irritating the nerve is what allows treatment to be targeted and effective.

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A note on red flags: If you are experiencing loss of bladder or bowel control alongside your leg pain, seek emergency medical care immediately. This is a rare but serious condition that requires prompt medical attention, not physiotherapy.

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How InHealth Treats Sciatica

Your physiotherapy assessment focuses on understanding exactly where the nerve irritation is coming from, which movements aggravate it, and which positions relieve it. Your physiotherapist will also assess your back, hip, and lower limb mechanics — because sciatica rarely has a single cause.

Treatment may include:

  • Manual therapy — to reduce joint restriction and disc pressure contributing to nerve irritation

  • Neural mobilization techniques — gentle, progressive techniques to improve sciatic nerve mobility

  • McKenzie Method — a structured approach to directional preference that many sciatica patients respond to well

  • Targeted exercise therapy — building the core stability and hip strength that protect the lumbar spine and sciatic nerve

  • Acupuncture — to support pain modulation and reduce muscle tension

  • Education on posture, sitting habits, and movement strategies that keep symptoms from recurring

Many people notice meaningful improvement within several weeks of starting physiotherapy, though the timeline depends on the severity and duration of your symptoms.

Frequently Asked Questions

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How long does sciatica take to improve with physiotherapy? Most cases of sciatica respond well within 4 to 8 weeks of consistent physiotherapy, though this varies by individual. Acute flare-ups tend to resolve more quickly than long-standing nerve irritation. Your physiotherapist will give you a realistic expectation at your assessment.

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Do I need an MRI before starting physiotherapy? No. Physiotherapy assessment and treatment can begin without imaging. In most cases, a thorough clinical assessment tells your physiotherapist what they need to know to start treatment. If imaging is indicated, your physiotherapist will advise you.

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Will I need to rest completely? Usually not. Staying active within pain-free ranges is typically better for sciatica than bed rest. Your physiotherapist will guide you on what movement is safe and helpful at each stage.

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