Dequervain’s Syndrome: Understanding the Painful Wrist Condition

Dequervain’s syndrome, also known as de Quervain’s tenosynovitis, is a repetitive strain injury that causes pain on the thumb side of the wrist. It occurs when the tendons around the base of the thumb become irritated or constricted. This guide will explore the causes, symptoms, diagnosis, and treatment options for Dequervain’s syndrome, aiming to provide a comprehensive understanding of this painful condition.

What is Dequervain’s Syndrome?

Dequervain’s syndrome involves inflammation of the sheaths (the fibrous coverings) that house the tendons running from the thumb to the wrist. The two specific tendons affected are the abductor pollicis longus and the extensor pollicis brevis. Inflammation and swelling of these tendon sheaths can cause pain and tenderness along the thumb side of the wrist, particularly when forming a fist, grasping or gripping something, or turning the wrist.

Causes and Risk Factors

The exact cause of Dequervain’s syndrome is often difficult to pinpoint but is generally associated with overuse of the wrist. Repetitive motion involving twisting or direct pressure on the wrist and thumb is frequently implicated. This condition is commonly seen in new parents who often lift their babies in a way that stresses their wrists.

Risk factors include:

  • Gender: Women are more likely to develop this condition than men.
  • Age: It is most common in individuals between the ages of 30 and 50.
  • Pregnancy: Hormonal changes and fluid retention during pregnancy can increase susceptibility.
  • Jobs or activities: Occupations or hobbies that involve repetitive wrist and thumb motions can increase the risk.


Symptoms of Dequervain’s syndrome typically develop gradually and might include:

  • Pain near the base of the thumb
  • Swelling near the base of the thumb
  • Difficulty moving the thumb and wrist when doing activities that involve gripping or pinching
  • A “sticking” or “stop-and-go” sensation in the thumb


The diagnosis of Dequervain’s syndrome primarily involves the Finkelstein test, a simple procedure in which the patient tucks the thumb against the hand and bends the wrist towards the little finger. This movement can be extremely painful for someone with Dequervain’s syndrome. Additionally, doctors may use ultrasound or MRI to assess the severity of the inflammation and rule out other conditions.


The primary goal of treatment for Dequervain’s syndrome is to reduce inflammation, alleviate pain, and preserve movement in the thumb and wrist. Treatment strategies include:

  • Rest: Avoiding activities that cause pain and inflammation.
  • Splints: Wearing a splint to restrict the movement of the thumb and wrist, allowing the tendons to rest.
  • Ice: Applying ice packs on the affected area to reduce swelling.
  • Anti-inflammatory medications: Using nonsteroidal anti-inflammatory drugs (NSAIDs) like ibuprofen to reduce pain and swelling.
  • Corticosteroid injections: Administering steroid injections into the tendon sheath to reduce inflammation.
  • Physical therapy: Engaging in exercises to strengthen the muscles and improve range of motion.
  • Surgery: In cases where nonsurgical treatments fail, surgical intervention may be necessary to open the tunnel that houses the tendons, reducing the pressure.


Preventing Dequervain’s syndrome involves taking regular breaks during repetitive activities, using ergonomic tools to reduce strain on the wrists, and strengthening exercises for the wrist and thumb to improve their stability and endurance.

Dequervain’s syndrome is a manageable condition with proper care and treatment. Understanding the risk factors and early symptoms can lead to prompt and effective treatment, preventing long-term damage to the wrist and thumb. If you suspect you have this condition, it’s advisable to consult with a healthcare provider to begin appropriate management and reduce the likelihood of worsening symptoms.

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