What is the reason for feeling weak in arms and hands a few days before menstruation?

A few days before menstruation, you feel weak and tired in your arms, which may be due to PMS or diseases, etc. Common diseases that cause arm weakness include: cervical spondylosis nerve compression, brachial plexus nerve injury, motor neuron disease, etc.
1. Premenstrual syndrome: the hormone level changes in the body a few days before menstruation, may be due to premenstrual syndrome caused by arm weakness, if this situation is caused by the general after menstruation will be significantly reduced and disappeared, in the premenstrual period will be recurring, but should be actively excluded from the abnormal situation.
2. Disease effects: arm weakness a few days before menstruation may not have much to do with menstruation, may be due to other diseases, common causes are cervical spondylosis nerve compression, brachial plexus nerve injury, motor neuron disease, and so on.
A few days before menstruation feel arm and hand weakness may have other reasons, it is recommended to go to the regular hospital in a timely manner to carry out relevant examinations, clear causes and active treatment, it is recommended to develop good habits in daily life, appropriate physical exercise, try to relax before menstruation, pay attention to rest, do not stay up late.