Complex Regional Pain Syndrome

Complex Regional Pain Syndrome (CRPS) is a chronic pain condition that typically affects an arm, leg, hand or foot following an injury, fracture, or surgery. Pain is often out of proportion to the initial trauma, and may be accompanied by swelling, colour changes, temperature sensitivity, and loss of function.

At The Royal Buckinghamshire Hospital, we offer inpatient neurorehabilitation for adults living with CRPS — especially those with associated neurological symptoms or Functional Neurological Disorder (FND). Our multi-disciplinary team helps patients manage symptoms, improve mobility, and regain independence.

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What Causes CRPS?

CRPS often develops after:

• Bone fractures
• Surgery
• Sprains or soft tissue injuries
• Immobilisation (e.g. casting)
• Nerve injury

It is thought to arise from a dysfunction in the central or peripheral nervous system, leading to abnormal pain signalling and poor regulation of inflammation and blood flow.

There are two main types:

• Type I (formerly RSD): without confirmed nerve injury
• Type II (causalgia): with confirmed nerve damage

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Symptoms of CRPS

Symptoms vary from person to person, but commonly include:

• Intense, burning or shooting pain
• Swelling or changes in skin temperature/colour
• Stiffness or loss of joint mobility
• Tremors, spasms or weakness in the affected limb
• Sensitivity to touch or cold (allodynia)
• Skin changes – thin, shiny, or sweaty skin
• Emotional distress, anxiety or fear of movement

These symptoms can severely impact quality of life and daily activities — especially when functional neurological symptoms (e.g. movement difficulties or gait issues) develop alongside the pain.

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Inpatient Rehabilitation Approach

At Royal Bucks, we treat CRPS as a neurological condition that benefits from a holistic, team-based approach. Our neurorehabilitation centre is equipped to support complex cases where outpatient treatment has not been successful.

Our inpatient service includes:

• Neurophysiotherapy to improve motor function and reduce movement avoidance
• Occupational therapy for desensitisation, pacing, and limb use in daily life
• Fatigue management and energy conservation
• Goal-based therapy to rebuild strength, mobility and function

Our team works closely with each patient to create an individualised therapy programme focused on pain reduction, function restoration, and improved confidence.

Explore Our Inpatient Rehabilitation Centre
Learn About Functional Neurological Disorder

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When to Consider Inpatient Support

Inpatient rehabilitation may be appropriate if:

• Symptoms persist for over 3 months and impact quality of life
• You are unable to return to work or daily activities
• There is significant anxiety, movement avoidance, or fear of using the affected limb
• CRPS is accompanied by FND, fatigue or trauma-related symptoms

Our service is designed for adult patients with complex pain and neurological recovery needs.