Skip to main content

Health condition

De Quervain's syndrome, splints, injections and when to release the sheath.

Also known as mother's thumb or gamer's thumb. A tender, swollen thumb-side wrist that flares with pinch, grip and lifting. It responds well to the right sequence of care.

Prefer the clinical name? See our sister guides on De Quervain's tenosynovitis and De Quervain's syndrome tenosynovitis.

Jump to treatment
A radiographer guides a patient onto the bed of an advanced 3 Tesla MRI scanner in a London imaging suite

Why trust this guide

  • 01

    Editorial team

    Written by our editorial team from the UK sources listed on each page.

  • 02

    Sourced from guidance

    Checked against BSSH, BOA and peer-reviewed hand surgery sources you can see at the end.

  • 03

    Current for 2026

    Reflects modern UK practice including ultrasound-guided injection and single-stage surgical release.

Key facts

De Quervain's syndrome at a glance.

The essentials, in plain English. What the compartment is, who tends to get it and how modern UK hand clinics treat it.

  • What it is

    A stenosing tenosynovitis of the first dorsal compartment at the wrist, squeezing the APL and EPB tendons that move the thumb.

  • Who gets it

    Six to ten times more common in women. Peak incidence in the 30s to 50s, with a clear spike around pregnancy and the first postnatal year.

  • Modern triggers

    Repetitive thumb use from smartphones, gaming controllers, texting and lifting a baby all load the same tendon pair.

  • Signature sign

    A positive Finkelstein or Eichhoff test, with sharp pain at the radial styloid when the thumb is stretched across the palm.

  • First-line care

    Thumb spica splinting, activity modification and a short course of NSAIDs settle a large share of new cases.

  • When splints stall

    A well-placed corticosteroid injection, ideally under ultrasound guidance, resolves symptoms in most persistent cases.

Why this guide matters

A short, staged plan beats months of guesswork.

De Quervain's is common, treatable and usually settles - as long as the first steps are the right ones. Three ideas shape everything else on this page.

  • Splint before you scan

    The diagnosis is clinical. A thumb spica plus load change beats an early MRI in almost every straightforward case.

  • Ultrasound guidance sharpens results

    A septum between APL and EPB is the most common reason injections fail. Ultrasound guidance finds it and places the dose accurately.

  • Surgery is definitive when needed

    For refractory or septated cases, a day-case decompression under local anaesthetic has high, durable success rates.

How the diagnosis is made

From painful pinch to a clear plan.

The steps a UK GP, MSK physiotherapist or hand surgeon will usually follow, in order, so you know what to expect and why.

  1. 01

    Assessing

    Focused history

    Wrist and thumb pain patterns, hand dominance, occupation, hobbies and any recent pregnancy, birth or new baby.

  2. 02

    Assessing

    Radial-sided wrist exam

    Inspection for swelling over the first dorsal compartment, palpation for tenderness and thumb range of movement.

  3. 03

    Assessing

    Finkelstein and Eichhoff tests

    The clinician tucks your thumb into a fist and ulnar-deviates the wrist. Sharp pain over the radial styloid is a strong pointer.

  4. 04

    Confirming

    Rule out mimics

    Thumb CMC osteoarthritis, scaphoid fracture, intersection syndrome and radial-side carpal tunnel can all masquerade as De Quervain's.

  5. 05

    Confirming

    Ultrasound assessment

    A bedside scan confirms tenosynovitis, checks for a septum between APL and EPB and guides an accurate injection when needed.

  6. 06

    Planning

    Imaging if diagnosis unclear

    A plain X-ray excludes a scaphoid fracture or basal thumb arthritis. MRI is reserved for atypical or persistent presentations.

  7. 07

    Planning

    Hand surgeon review

    Refractory cases, recurrent flares or suspected septation warrant a specialist opinion for surgical decompression.

Typical timeline: a first clinic visit to a settled plan in one or two appointments.

Symptoms

What De Quervain's actually feels like.

The classic mix of tender, swollen radial wrist pain provoked by pinch and grip. And the features that mean it is time for prompt review.

  • Radial wrist pain

    A sharp or burning pain over the thumb side of the wrist, often waking you when you roll onto that hand.

  • Visible swelling

    A firm, tender fullness just above the radial styloid, sometimes described as a small pea of tissue.

  • Pain with pinch and grip

    Lifting a kettle, unscrewing a lid or picking up a baby reproduces the pain along the tendon sheath.

  • Triggering or catching

    Some patients feel a squeaky catch as the thumb moves, occasionally with a palpable creak over the compartment.

  • Radiating discomfort

    Pain that travels down the thumb or up the forearm, following the line of the APL and EPB tendons.

  • Postnatal flares

    Symptoms peaking in the weeks after giving birth, often linked to feeding positions and repeatedly lifting the baby.

  • Screen-time aggravation

    Long spells of texting, scrolling or gaming with the thumb reliably worsen symptoms by the end of the day.

  • Red flag - persistent weakness

    Progressive weakness, night pain unresponsive to splinting or numbness in the thumb needs urgent review to exclude other causes.

Treatment

How De Quervain's is treated in the UK.

Splinting and load changes first, ultrasound-guided injection next and a day-case surgical release for the small share that does not settle.

  • Activity modification

    Cut back on the specific loads that flare it - one-handed baby lifting, prolonged texting or repetitive wringing motions.

  • Thumb spica splint

    A wrist and thumb splint immobilises the first dorsal compartment. Worn day and night for two to four weeks, then weaned.

  • Oral or topical NSAIDs

    A short course of ibuprofen or a topical gel such as diclofenac calms local inflammation while splinting takes effect.

  • Hand therapy

    A specialist therapist teaches load management, tendon glides, ergonomic changes and gradual thumb strengthening.

  • Corticosteroid injection

    A single injection into the tendon sheath resolves symptoms in a large share of patients. Ultrasound guidance improves accuracy where a septum is present.

  • Second injection if needed

    A second dose after six to twelve weeks is reasonable if the first gave good but incomplete relief before surgical referral.

  • Surgical release

    A day-case decompression of the first dorsal compartment under local anaesthetic, opening the sheath so the tendons can glide freely.

  • Specialist hand surgeon

    Recurrent, refractory or postoperative cases are best managed by a fellowship-trained hand and wrist surgeon.

What this guide is based on

The sources behind every claim on this page.

UK specialist society standards and national guidance, current at the time of last review.

Key references

Guidelines and standards we relied on.

A quiet reminder

This guide is for information, not medical advice.

Your GP or hand surgeon knows your history and can tell you which parts apply to you. If pain is severe or worsening, get seen.

  • British Society for Surgery of the Hand (BSSH). Patient information on De Quervain's tenosynovitis.

  • British Orthopaedic Association (BOA). Guidance on common wrist and hand conditions.

  • NICE Clinical Knowledge Summaries. Tenosynovitis - assessment and management.

  • Royal College of Obstetricians and Gynaecologists (RCOG). Musculoskeletal pain in pregnancy and postpartum.

Red flags

When wrist pain needs urgent attention.

Most cases settle in primary care. These are the situations that do not, or where an alternative diagnosis needs to be excluded.

  • Sudden severe wrist pain after a fall

    Radial-sided pain after trauma may be a scaphoid fracture, not tenosynovitis. Same-day imaging is needed.

  • Numbness or tingling in the thumb

    Sensory change points towards carpal tunnel syndrome or a radial sensory nerve issue and warrants nerve-focused review.

  • Progressive weakness

    Difficulty holding a cup or dropping objects is not a typical De Quervain's feature and deserves specialist assessment.

  • Redness, heat and fever

    A hot, red, tender wrist with systemic symptoms may be septic tenosynovitis - an emergency needing urgent hand surgery review.

  • Persistent thumb base pain

    Pain that centres over the thumb base rather than the radial styloid may be CMC joint osteoarthritis and needs a different plan.

  • Failed two steroid injections

    Two well-placed injections without lasting benefit is a strong indication for surgical decompression rather than a third injection.

  • Postnatal symptoms not settling

    Persistent symptoms beyond three months postpartum should prompt injection rather than continued splinting alone.

  • Steroid injection complications

    Skin thinning, depigmentation or fat atrophy after injection warrants review before any repeat dose.

  • Post-surgical pain flare

    New burning pain, hypersensitivity or nail changes after release may signal complex regional pain syndrome and needs early input.

Living with it

A treatable condition, with a clear ladder.

Four things that make the biggest difference day to day. Consistent splinting, smart load changes, timely injection and a graded return to grip.

A quiet reminder

Small daily habits settle it faster than heroic weekends.

A splint you actually wear, a phone in the other hand and a lifting technique that spares the thumb will do more than any single treatment.

  1. 01 Splint

    Wear the splint properly

    A thumb spica only helps when it actually restricts the thumb. Wear it consistently for the first two to four weeks, including at night.

  2. 02 Load

    Rethink how you lift

    Lift a baby under the armpits with both hands rather than scooping with the thumb. Move a phone into the non-dominant hand for scrolling.

  3. 03 Timing

    Injection is not a failure

    A well-timed steroid injection often resolves the problem in one visit. Left too long, chronic tenosynovitis becomes harder to settle.

  4. 04 Recovery

    Rebuild grip gradually

    After injection or surgery, ease back into pinch and grip work over four to six weeks with a hand therapist rather than pushing through.

Frequently asked

Everything we get asked about De Quervain's.

Quick answers on splints, injections, surgery and how it differs from carpal tunnel.

  • What is De Quervain's syndrome?

    De Quervain's syndrome, also called De Quervain's tenosynovitis, is a painful narrowing of the first dorsal compartment at the wrist. The tendons that move the thumb - abductor pollicis longus (APL) and extensor pollicis brevis (EPB) - become swollen and struggle to glide through their sheath, causing pain, swelling and a positive Finkelstein test.

  • Why is it so common in new mothers?

    A combination of hormonal changes, fluid shifts and the sheer repetition of lifting a baby with the thumbs out and wrists deviated overloads the same tendon pair. Symptoms often begin in late pregnancy or the first three months postpartum and settle with splinting, load changes and, when needed, a steroid injection.

  • Do phones and gaming really cause it?

    Long spells of thumb-heavy activity - texting, scrolling, gaming controllers - can trigger or aggravate De Quervain's in susceptible people. It is rarely the sole cause, but reducing screen and controller time is a genuine part of settling symptoms.

  • How well do steroid injections work?

    A single, well-placed corticosteroid injection into the first dorsal compartment resolves symptoms in a large majority of patients. Ultrasound guidance improves accuracy, particularly when a septum separates APL and EPB, which is a common reason a blind injection fails.

  • When is surgery needed?

    Surgery is considered when splinting, activity change and one or two steroid injections have not settled symptoms, or when a septated compartment is confirmed on ultrasound. A day-case decompression opens the sheath so the tendons glide freely and has high success rates in experienced hands.

  • How is it different from carpal tunnel syndrome?

    Carpal tunnel syndrome affects the median nerve inside the wrist and causes numbness, tingling and night pain in the thumb, index and middle fingers. De Quervain's is a tendon sheath problem on the outside of the wrist that causes mechanical pain with thumb movement, not nerve symptoms. Both can coexist, especially in pregnancy.

Related content

Keep reading.

Two names, one condition

You may see this condition written as De Quervain's syndrome, De Quervain's tenosynovitis or, in older texts, De Quervain's disease.

The medicine is the same. Our De Quervain's tenosynovitis and De Quervain's syndrome tenosynovitis guides cover the same clinical ground with a slightly different emphasis if you prefer that terminology.