De Quervain’s tendinitis is a condition that affects the tendons on the thumb side of your wrist. It is also known as De Quervain’s tenosynovitis. This condition occurs when the tendons that control the movement of the thumb become inflamed or irritated. The symptoms can range from mild to severe and may include pain, swelling, and limited mobility in the affected hand.
Causes of De Quervain’s Tendinitis
De Quervain’s tendinitis is caused by repetitive strain on the thumb side of the wrist. This can occur due to various activities such as:
- Repetitive gripping or twisting motions
- Playing sports that involve throwing or hitting, such as tennis or baseball
- Using vibrating tools or machinery
- Sleeping with your wrists in an awkward position
Symptoms of De Quervain’s Tendinitis
The symptoms of De Quervain’s tendinitis can vary from person to person, but common symptoms include:
- Pain on the thumb side of the wrist or hand
- Swelling and redness in the affected area
- Limited mobility in the affected hand or wrist
- Difficulty gripping or holding objects
- Numbness or tingling in the thumb, index finger, or middle finger
Diagnosis of De Quervain’s Tendinitis
The diagnosis of De Quervain’s tendinitis is typically made based on a combination of physical examination and medical history. Your doctor may perform the following tests:
- Palpation: your doctor will feel the affected area to check for tenderness and swelling
- Range of motion testing: your doctor will test your wrist and hand mobility
- Imaging studies: X-rays or an MRI may be ordered to rule out other conditions
Treatment of De Quervain’s Tendinitis
The treatment for De Quervain’s tendinitis depends on the severity of the condition and the effectiveness of conservative treatments. Conservative treatments include:
- Rest, ice, compression, and elevation (RICE)
- Pain relief medications such as ibuprofen or acetaminophen
- Physical therapy to improve wrist and hand mobility
Surgery may be recommended in severe cases where conservative treatments have not been effective. If you are experiencing symptoms of De Quervain’s tendinitis, it is essential to consult with your doctor for proper diagnosis and treatment.

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