What is carpal tunnel syndrome?
Carpal tunnel syndrome develops when the median nerve is compressed as it passes through the narrow carpal tunnel at the wrist. This causes tingling, numbness and aching in the thumb, index, middle and half of the ring finger, classically waking people at night or appearing when driving or holding a phone. It is one of the most common nerve entrapments, affecting women more often than men, and is more likely during pregnancy, in people with diabetes or thyroid problems, and in jobs involving repetitive gripping or vibration.
Diagnosis is often clinical, based on the pattern of symptoms and simple provocation tests. Nerve conduction studies can confirm the diagnosis and grade its severity, which is particularly useful when symptoms are atypical or surgery is being considered.
Common symptoms
- Tingling or pins and needles in the thumb and first three fingers
- Numbness that wakes you at night
- Aching in the hand, wrist or forearm
- Symptoms triggered by driving, phone use or gripping
- Weakness or clumsiness, such as dropping objects
- In advanced cases, wasting of the muscle at the base of the thumb
How long will you wait?
A routine NHS pathway including nerve tests and carpal tunnel release commonly takes several months, against a national median wait of 12.4 weeks and around 34% of patients waiting more than 18 weeks.
Privately, you can typically see a hand specialist within 3–7 days, with nerve studies arranged quickly and surgery usually scheduled within 2–4 weeks.
NHS England median referral-to-treatment wait: 12.4 weeks, with 2.5 million people waiting over 18 weeks (May 2026). Individual waits vary by trust and urgency.
Treatment options
- Night splinting. Wearing a wrist splint at night keeps the wrist straight and relieves symptoms in many mild cases.
- Steroid injection. An injection into the carpal tunnel reduces swelling around the nerve and can give months of relief.
- Carpal tunnel release surgery. A short operation under local anaesthetic divides the ligament roofing the tunnel, giving lasting relief in the great majority of cases.
What does private treatment cost?
As a guide, self-pay carpal tunnel release in the UK typically costs around £2,000–£3,000 per hand, usually performed under local anaesthetic as a day case.
Does health insurance cover carpal tunnel syndrome?
Carpal tunnel syndrome is routinely covered by private medical insurance, including nerve conduction studies, injections and release surgery, provided symptoms began after the policy started. Pre-existing hand or wrist symptoms are usually excluded initially. If both hands are affected, insurers normally cover treatment of each, though surgeons often stage the operations a few weeks apart.
Frequently asked questions
Can carpal tunnel syndrome get better without surgery?
Yes, particularly when symptoms are mild, recent or related to a temporary cause such as pregnancy. Night splints and a steroid injection settle many cases. However, if numbness is becoming constant or the thumb muscles are weakening, the nerve is under sustained pressure and surgery is advisable to prevent permanent damage.
What does carpal tunnel release surgery involve?
It is a short day-case procedure, usually under local anaesthetic, taking around fifteen to twenty minutes. Through a small incision in the palm, the surgeon divides the ligament that forms the roof of the tunnel, relieving pressure on the nerve. Most people use the hand for light tasks within days, with the scar settling over a few weeks.
Will my symptoms disappear completely after surgery?
Night tingling and pain usually improve quickly, often within days. Constant numbness and muscle weakness recover more slowly and, if the nerve was severely compressed for a long time, may not fully resolve. This is why specialists advise not to delay surgery once there are signs of constant numbness or thumb weakness.
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