Physio Performance, Health & Fitness
Carpal Tunnel Syndrome: Symptoms, Causes and Treatment
Carpal tunnel syndrome affects roughly one in seven people at some point in their life, and it’s one of the most common reasons patients come through our doors in Drogheda with numbness or tingling in the hand. Updated 2026 clinical guidelines have refined how this condition should be diagnosed and treated, and knowing the current evidence matters, because a lot of the advice still circulating online is outdated.
This guide covers what carpal tunnel syndrome actually is, how it’s properly diagnosed now, and what treatment genuinely helps.
What Carpal Tunnel Syndrome Actually Is
The carpal tunnel is a narrow passageway in the wrist through which the median nerve travels into the hand. When tissue in that tunnel becomes swollen or compressed, the nerve gets squeezed, producing the tingling, numbness and weakness patients describe, usually in the thumb, index and middle fingers.
It’s rarely caused by a single dramatic event. More commonly it builds gradually, from repetitive wrist movements, sustained awkward positions, or in some cases underlying conditions like diabetes or thyroid issues that increase tissue swelling.
Symptoms often worsen at night. Many patients describe waking with their hand asleep, which happens because the wrist tends to curl during sleep, increasing pressure inside the tunnel.
How It's Diagnosed Properly in 2026
The CTS-6 is now the preferred diagnostic tool. This combines subjective symptom questions with physical findings from several established tests, and current guidelines rate it as having a stronger evidence base than the older Wainner criteria many clinicians were trained on.
Specific physical tests support the diagnosis. The Phalen test, which involves holding the wrists in flexion to see if it reproduces symptoms, and the Tinel sign, gently tapping over the nerve at the wrist, both remain part of a thorough assessment, alongside checking for reduced sensation and, in longer-standing cases, muscle wasting at the base of the thumb.
Around 30% of people with carpal tunnel syndrome also have coexisting anxiety or depression. Current guidance flags this because pain that spreads beyond the typical nerve distribution can sometimes reflect broader nervous system sensitisation, which is worth being aware of in atypical presentations rather than assuming the diagnosis is wrong.
Treatment That Actually Works
Wrist splinting, particularly at night, has strong supporting evidence. Keeping the wrist in a neutral position while sleeping reduces the awkward curling that increases pressure in the tunnel overnight, and it’s often the single most effective early intervention.
Nerve gliding exercises help the median nerve move more freely. These gentle, specific movements are different from aggressive stretching and are generally well tolerated even in irritable presentations, when introduced correctly by a physiotherapist.
Activity and workstation modification matters considerably. For patients whose symptoms are driven by repetitive wrist positions at work, adjusting keyboard height, mouse position and break frequency addresses the actual mechanical cause rather than just the symptom.
Updated 2026 guidelines now include shockwave therapy, dry needling and kinesiology taping as recommended interventions, additions that weren’t part of the previous 2019 guidance. At our clinic, our shockwave therapy service is one option we consider for persistent cases that haven’t responded to splinting and activity modification alone.
Strengthening the surrounding musculature supports recovery once acute irritability settles. Grip and forearm strengthening, introduced progressively, helps restore function once the nerve itself is less irritable.
When Surgery Becomes Relevant
Most cases of carpal tunnel syndrome respond well to conservative physiotherapy management, particularly when caught early. Surgery is generally reserved for cases with significant, persistent nerve compression that hasn’t responded to a properly executed conservative programme, or where there’s evidence of muscle wasting indicating more advanced nerve involvement. This decision is typically made in conjunction with a hand specialist, and a physiotherapy assessment beforehand helps clarify whether conservative treatment has genuinely been given a fair chance.
If you’ve been experiencing numbness, tingling or weakness in your hand, particularly at night, book an assessment at our clinic in Drogheda rather than waiting for it to resolve on its own. Our shockwave therapy service and our free knee and hip pain report cover related areas of our practice, and current clinical guidance is published through Physiopedia.
Frequently Asked Questions
Tingling or numbness in the thumb, index and middle fingers, often worse at night, sometimes accompanied by a sensation of the hand being asleep on waking.
Repetitive wrist positions, including typing, can contribute, but it’s rarely the sole cause. Underlying health factors and sustained awkward wrist positions during sleep also play a significant role.
Mild cases sometimes improve with activity modification alone, but persistent symptoms generally need active treatment such as splinting and nerve gliding exercises to resolve properly rather than being left untreated.
Yes, for most cases. Splinting, nerve gliding exercises and activity modification form the foundation of conservative treatment, with surgery reserved for cases that don’t respond adequately to this approach.
Mild cases often improve within a few weeks of consistent splinting and activity changes. More established cases can take several months of structured treatment to fully resolve.