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Why do some symptoms come before exercise?
Pain alone cannot tell you what is happening in the back. Severe pain may have a non-serious cause, while a change in strength, sensation or bladder function may require urgent treatment. The whole situation and its development matter.
Clinicians sometimes call these features warning signs or red flags. They are not a list of diagnoses: they indicate that assessment is needed before continuing general advice. Not having the examples below does not guarantee that a problem is harmless. Seek medical help if you feel very unwell, are deteriorating or are concerned about an emergency.
Chapter sources [1]
Understand the picture
Three levels of action according to the signs
112 · immediate help
New bladder or genital-area sensory changes, severe leg weakness, chest pain with feeling seriously unwell or a major accident.
Advice the same day
Fever and illness, rapid deterioration, new weakness in one leg or a red, painful eye.
Arrange a consultation
Persistent pain, substantial activity limitations or unusual features. Ask about an appropriate appointment timeframe.
Call 112: new bladder, sensory or strength changes
New difficulty starting to pass urine, inability to pass urine, new loss of bladder or bowel control, or loss of awareness of needing to open your bowels can be concerning alongside back or leg pain. Numbness around the genitals, anus or between the legs is another important sign.
Sciatica on both sides, severe or worsening weakness in both legs or new major difficulty walking requires urgent assessment. These may indicate a problem affecting nerves at the bottom of the spine, sometimes called cauda equina syndrome. Call 112 in Luxembourg and describe the change. Do not wait for every symptom, complete incontinence or your next appointment. Do not drive yourself if your condition makes it unsafe.
Call 112: chest pain, collapse or a serious accident
Back pain with chest pain, difficulty breathing or feeling seriously unwell needs to be taken seriously. It cannot safely be labelled a muscle or rib problem remotely. Call 112, particularly for sudden or marked symptoms, and follow the instructions you receive.
After a major accident or significant fall, back pain may need urgent care, especially with weakness, numbness or difficulty moving. Do not test your spine with stretches or manipulation. Limit unnecessary movement and let emergency services guide you. Temporary relief in a particular position does not rule out injury.
Seek medical advice the same day
Contact a doctor the same day for back pain with fever, shivering or general illness, sudden severe onset or rapid worsening. New weakness in one leg, such as a foot catching, also needs prompt assessment. Call 112 if weakness is severe, spreads or occurs with other emergency signs.
New pain after a fall in someone with osteoporosis should be assessed before continuing activity. With current or previous cancer, new persistent, progressive or night-time back pain should be reported promptly to the medical team. Associated neurological changes make the priority immediate. If your usual doctor is unavailable, seek an appropriate medical service rather than waiting for physiotherapy.
Situations needing particular attention
A known spinal condition does not prevent another problem. Unusual pain after a fall in someone with spondyloarthritis and a stiff spine needs reassessment. Fever while taking medicine that reduces immune defences also needs prompt discussion with the medical team.
A red, painful eye, light sensitivity or blurred vision may be uveitis, sometimes associated with inflammatory spinal disease. An eye assessment is needed the same day. Do not wait to see whether back exercises help. Mention medicines and existing conditions, as they can change decisions even when the pain seems familiar.
When should you arrange a consultation?
Make an appointment for pain that persists without improvement, substantially disrupts sleep, work or walking, or worries you. Persistent night pain, unexplained weight loss, a change in back shape or unexplained upper-back pain also merits assessment. You do not have to wait three months to ask for help.
Lasting morning stiffness, night waking and pain that improves with movement, particularly when it began at a young age, may prompt investigation for inflammation. These features do not confirm that cause. Mention skin, eye or bowel symptoms too. The clinician determines the appropriate timing and type of assessment for your circumstances.
In everyday life
Three details to communicate first
What changed
Describe the new symptom in concrete words.
When it started
Give the onset and speed of worsening if known.
The context
Give your location in an emergency, then relevant injuries, conditions and medicines.
What should you say on the phone or at consultation?
Start with the change that worries you: “Since this morning I cannot pass urine normally”, “My foot has been catching since yesterday” or “I have back pain with a fever”. Give the onset, location, progression and associated symptoms. A concrete description helps more than simply saying you have a herniated disc.
For an emergency call, give your location and answer the operator's questions. If possible, have information about medicines, allergies, known conditions and injuries ready. Previous reports may help, but do not delay calling to find them. If already assessed, explain clearly what has changed since that assessment.
What about exercises or your physiotherapy appointment?
With an emergency sign, exercises, internet research and a physiotherapy appointment are not the next step: seek the appropriate medical help. For a symptom needing prompt but not immediate assessment, stop the movement that worsens it and ask what to do. A practice contact form is not an emergency service.
After assessment, ask what you can resume, what to monitor and whom to contact if things change. A reassuring consultation at one point does not cover every future development. Return to activity and physiotherapy can then follow individual advice, without unnecessary immobility when there is no medical reason to restrict movement.
Your questions
Must all warning signs be present before I call?
No. Do not wait for a complete combination. A new bladder problem, numbness in the genital area or significant weakness can justify urgent help depending on the circumstances. Describe the change and let the medical service guide you.
Chapter sources [2]
Does night pain mean cancer?
No. It has several possible explanations. Persistent or unusual night pain still deserves advice, particularly with weight loss, a cancer history or other signs. Context and examination determine useful investigations.
My old MRI was normal: should I still seek advice?
Yes if new signs appear or your condition changes. An image describes one point in time and does not replace assessment of new bladder, sensory or strength changes.
Chapter sources [1]
Can I just request a callback from the practice?
Contact the practice for practical questions or ordinary follow-up. For an emergency, call 112 directly and do not wait for a callback. For same-day medical concerns, contact an appropriate medical service.
Chapter sources [3]
Sources and references
- [1] NHS · Back pain
- [2] NHS · Sciatica
- [3] CGDIS Luxembourg · 112
- [4] NICE NG234 · Spinal metastases and spinal cord compression
- [5] Norfolk & Waveney NHS · Upper back
- [6] NICE NG65 · Spondyloarthritis: recommendations
- [7] NHS · Ankylosing spondylitis: treatment
- [8] NHS · Ankylosing spondylitis: complications
Text updated on
Medical review: awaiting Hasib Selimovic.