Also called as radial styloid tenosynovitis.
De Quervain's tenosynovitis is swelling of the tendons that run along the thumb side of the wrist and attach to the base of the thumb. This occurs when the tendons are constricted by the sheath that they run through to get from the wrist to the hand.
This condition can cause pain and tenderness along the thumb side of the wrist.

Symptoms - You may feel pain over the thumb side of the wrist. This is the main symptom. The pain may appear either gradually or suddenly. It starts in the wrist and can travel up the forearm. The pain is usually worse when the hand and thumb are in use. This is especially true when forcefully grasping and/or lifting objects or twisting the wrist.
You may see swelling over the thumb side of the wrist. This swelling may accompany a fluid-filled cyst in this region.
You may feel a catching or snapping sensation when moving the thumb.
Pain and swelling may make it difficult to move your thumb and wrist.

Pachakrma Pprocedure for De Quervain's tenosynovit is Kwath Avagaha sweda, Patrapottali Sweda, Agnikarma, Lepanam.