There are many reasons for the pins and needles feeling on the inner side of the wrist, the common ones are carpal tunnel syndrome, tenosynovitis, tenosynovial cysts, etc.
1. Carpal tunnel syndrome: a peripheral nerve compression syndrome caused by the compression of the median nerve in the carpal tunnel, mainly manifested as anterior carpal pain and numbness and weakness of the hand, which is common in the thumb, index finger and middle finger. The inner side of the wrist can have the sensation of pins and needles.
2. Tenosynovitis: Acute or chronic inflammatory reaction of tendon sheath can be caused by long-term overuse of finger and wrist joints and various reasons such as infection. Typical manifestations are ringing fingers, joint pain, etc., and the inner side of the wrist may also have a pins and needles sensation.
3. Tendon sheath cysts: most of them are located in the wrist joint, which are benign swellings near the joints, ligaments or tendons of the human body, with one or more tips into the wrist joint or surrounding structures. Often hemispherical, there can be no obvious symptoms, if the cyst is too large compression of the peripheral nerves can produce distal limb numbness, the inner side of the wrist can appear to have a pins and needles sensation.
There may be other reasons for the pins and needles sensation on the inner side of the wrist, if the symptoms persist for a long time without relief, it is recommended to consult a doctor in time to clarify the cause of the disease and actively standardize the treatment.