Lower back ache

Overview

Lower back ache is pain or discomfort in the area between the bottom of your ribs and the top of your legs. It is very common and often gets better on its own within a few weeks.

Yes, lower back ache is one of the most common health complaints worldwide. Nearly everyone will experience it at some stage.

It can affect people of all ages, but it is more common in adults between 30 and 60 years old. People with physically demanding jobs or those who sit for long periods may be at higher risk.

Symptoms

Common symptoms

• A dull, constant ache in the lower back
• Stiffness that makes it hard to move or get up from a chair
• Sharp or stabbing pain that may come and go
• Pain that spreads to the buttocks or thighs (but not usually below the knee)

Symptoms in children

• Less common than in adults, often linked to muscle strain from sports or heavy backpacks
• Pain that does not improve with rest or gets worse over time should be checked by a doctor

Symptoms in older adults

• May be caused by age-related changes like arthritis or thinning bones (osteoporosis)
• Osteoporosis can lead to small fractures that cause sudden sharp pain

Causes

Main causes

• Strained muscles or ligaments from lifting heavy objects or sudden awkward movements
• Poor posture over time, especially from sitting hunched over a desk
• Overuse or repetitive strain from activities like gardening or sports

Risk factors

• Being overweight or obese (extra weight puts strain on the lower back)
• Smoking (it can reduce blood flow to the spine and weaken the discs)
• Jobs that involve heavy lifting, sitting for long periods, or whole-body vibration (like truck driving)
• Lack of regular exercise or core muscle strength

When to see a doctor

See a doctor urgently if:

• If you have any emergency symptoms (see above), call your local emergency services immediately
• If you have back pain with fever, unexplained weight loss, or severe pain after an injury – see a doctor the same day

Book a routine appointment if:

• If your back pain lasts longer than 4 to 6 weeks and is not getting better
• If the pain is severe enough to stop you from doing your daily activities
• If you have had previous back problems and the current pain feels different

Diagnosis

Your doctor will ask about your symptoms, when they started, and what makes them better or worse. They will also examine your back and might check your leg strength and reflexes.

Tests that may be done

• Tests are not usually needed for simple back ache.
• If a serious cause is suspected, your doctor may recommend an X-ray, MRI scan, or blood tests.

What to expect at your appointment

Most people leave the doctor's office with advice on self-care and possibly a referral for physiotherapy. You will not get a scan unless there is a clear reason. Your doctor will reassure you that improvement is likely.

Treatment

Treatment for lower back ache focuses on relieving pain, keeping you as active as possible, and preventing the problem from coming back. Most people get better with simple home care.

Self-care at home

• Stay active – gentle walking or stretching is better than bed rest
• Apply a warm (or cold) pack to the painful area for 15–20 minutes several times a day
• Take simple pain relievers like paracetamol or ibuprofen – ask your pharmacist or doctor which is best for you
• Sleep on your side with a pillow between your knees to support your spine

Medical treatments

If self-care is not enough, your doctor may recommend physiotherapy (exercises and manual therapy), manual therapy (like chiropractic or osteopathy), or pain management programmes that teach coping techniques. They may also prescribe stronger pain relief or muscle relaxants for a short time, but only under supervision.

When is surgery considered?

Surgery is rarely needed for lower back ache. It may be considered if a slipped disc is pressing on a nerve and causing serious weakness or if other treatments have not helped after several months. Your specialist will discuss the risks and benefits.

Living with this condition

The best thing you can do is keep moving, but listen to your body. Avoid heavy lifting or twisting until the pain improves. Use a good chair with back support. Take regular breaks from sitting.

Lifestyle tips

• Maintain a healthy weight to reduce strain on your back
• Use proper lifting techniques – bend your knees, not your back
• Sleep on a supportive mattress
• Avoid long periods of sitting or standing still

Diet and exercise

Eating a balanced diet helps manage weight and gives your body the nutrients it needs for healing. Gentle exercise like walking, swimming, or yoga can strengthen your back and core muscles. Your physiotherapist can give you specific exercises.

Mental health and emotional wellbeing

Living with back pain can be frustrating and may affect your mood or sleep. It is normal to feel worried. Talking to your doctor or a counsellor can help. Staying active and connected with others also protects your mental well-being.

Prevention

You cannot prevent every episode, but you can lower your chances by staying active, maintaining good posture, lifting correctly, and staying at a healthy weight. Regular exercise that strengthens your back, stomach, and leg muscles is especially helpful.

Complications

If left untreated

• Rarely, the pain can become chronic (lasting more than 12 weeks) and harder to treat
• Very rarely, an untreated nerve issue can lead to permanent weakness or loss of bladder/bowel control

Long-term outlook

The outlook for most people with lower back ache is very good. Most episodes improve within a few days to a few weeks, even without treatment. Taking steps to stay active and strong can help prevent it from coming back. If your pain does not go away, there are effective treatments available to help you manage it and return to your normal life.

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