In the past week, the left hand feels numb. It feels more obvious when washing clothes and washing water is washed. Moreover, the left hand feels obviously less flexible than the right hand. It can be operated with one hand at ordinary times. One left hand can't be completed now. It obviously can't use force and has no feeling of pain. It just feels numb. What's the matter?
According to the above process described by you and the current symptoms, it should be the cause of the manifestation of peripheral neuritis, mainly due to long-term contact with water stimulation or some peripheral friction, or due to anemia B12 deficiency.
If you feel numbness in your left hand, it may be caused by excessive exercise recently or the compression of nerves by cervical spondylosis. You can massage, hot compress, hot compress, pay attention to rest, less activity and less playing with mobile phones and computers. If you don't get better, you can have a cervical CT examination.
If you always feel numb symptoms, it is caused to some extent by nerve compression. Therefore, in terms of treatment, you should first take a film of the cervical spine in time to see if it is caused by the abnormal cervical spine. If so, you should carry out physical therapy in time.