Lower Back Pain – Causes, Symptoms and Treatment
Lower back pain refers to pain in the lumbar spine region and is one of the most common health complaints worldwide. It can be acute or chronic in nature.
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Lower back pain refers to pain in the lumbar spine region and is one of the most common health complaints worldwide. It can be acute or chronic in nature.
What is Lower Back Pain?
Lower back pain (medically known as lumbar back pain) describes pain occurring in the lumbar spine region – the area between the lower rib cage and the buttocks. It is one of the most prevalent health complaints globally and is a leading cause of disability and missed workdays.
Lower back pain can be classified as acute (less than 6 weeks), subacute (6–12 weeks), or chronic (more than 12 weeks). In most cases, no serious underlying condition is responsible, and symptoms resolve on their own.
Causes
Lower back pain has many possible causes. A key distinction is made between non-specific and specific back pain:
- Non-specific lower back pain: In approximately 85% of cases, no clear structural cause can be identified. Muscle tension, poor posture, lack of physical activity, and psychosocial factors are often involved.
- Herniated disc (disc prolapse): A bulging or ruptured intervertebral disc can press on spinal nerves, causing pain and numbness.
- Facet joint arthritis: Degenerative wear of the small joints in the spine, more common in older individuals.
- Spinal stenosis: Narrowing of the spinal canal, frequently seen in older adults.
- Muscular causes: Overuse, muscle strain, or tension in the back muscles.
- Spondylolisthesis: Forward slipping of one vertebra over another.
- Inflammatory conditions: For example, ankylosing spondylitis (also known as Bechterew disease).
- Secondary causes: Kidney conditions, endometriosis, or rare tumors may also produce lower back pain.
Symptoms
Symptoms vary depending on the cause and severity:
- Pulling, stabbing, or dull aching pain in the lower back
- Pain radiating into the buttocks, legs, or feet (sciatica)
- Morning stiffness and limited range of motion
- Muscle tension and spasms
- Numbness or tingling in the legs (if nerves are involved)
- Pain worsening when bending, lifting, or sitting for prolonged periods
Warning Signs (Red Flags)
Certain accompanying symptoms require immediate medical evaluation:
- Weakness or paralysis in the legs
- Bladder or bowel dysfunction (e.g., incontinence)
- Severe pain following an accident or fall
- Unexplained weight loss or fever
- Pain that worsens at night and does not improve with rest
Diagnosis
Several methods are used to diagnose lower back pain:
- Medical history and physical examination: The physician assesses the character, onset, and progression of symptoms and examines posture, mobility, and neurological reflexes.
- Imaging: X-rays, MRI (magnetic resonance imaging), or CT (computed tomography) scans are used when structural causes are suspected.
- Laboratory tests: Blood markers such as CRP or ESR may be checked if inflammatory or systemic disease is suspected.
- Neurological testing: Reflexes, sensation, and muscle strength are evaluated when nerve involvement is suspected.
Treatment
Conservative Treatment
Most cases of lower back pain can be managed without surgery:
- Exercise and physiotherapy: Targeted exercises to strengthen the core and back muscles are considered the most effective intervention. Staying active is strongly encouraged.
- Pain medications: Nonsteroidal anti-inflammatory drugs (NSAIDs) such as ibuprofen or diclofenac are used short-term for pain relief. Muscle relaxants or mild opioids may be prescribed for more severe pain.
- Heat and cold therapy: Heat relaxes muscles; cold can reduce acute inflammation.
- Manual therapy and osteopathy: Targeted hands-on techniques can relieve tension and improve mobility.
- Psychological support: Cognitive behavioral therapy plays an important role in chronic pain management, as psychosocial factors can influence pain perception.
- Acupuncture: May be used as a complementary approach in chronic lower back pain.
Surgical Treatment
Surgery is only indicated for specific structural causes and after conservative therapy has failed – for example, in cases of severe disc herniation with persistent neurological deficits, or significant spinal stenosis.
Prevention
Many cases of lower back pain can be prevented or reduced in frequency with straightforward measures:
- Regular physical activity (e.g., swimming, cycling, yoga)
- Strengthening the deep core and back muscles
- Ergonomic workstation setup and proper sitting posture
- Using correct lifting technique (lifting with the legs, not the back)
- Maintaining a healthy body weight to reduce spinal load
- Stress management and adequate sleep
References
- World Health Organization (WHO): Low back pain – Fact Sheet. Geneva, 2023.
- National Institute for Health and Care Excellence (NICE): Low back pain and sciatica in over 16s: assessment and management. NICE Guideline NG59, 2016 (updated 2020).
- Airaksinen O. et al.: Chapter 4: European guidelines for the management of chronic nonspecific low back pain. European Spine Journal, 2006; 15(Suppl 2): S192–S300.
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Related search terms: lower back pain + low back pain + lumbar back pain + lumbago