Commonly seen in anemia, PMS, low blood sugar, low blood pressure, endocrine disorders, etc. 1.When menstruation comes, the large amount of bleeding can lead to transient anemia, resulting in dizziness and weakness. 2.Some people may experience dizziness, nausea, breast pain and emotional instability when they have their menstruation, which is a manifestation of PMS. Usually it can be relieved after the menstruation. 3.Low blood sugar and low blood pressure can also cause dizziness during menstruation. 4. Dizziness may also be caused by endocrine disorders, mainly due to the lowered immunity of women during menstruation and the ease of disease attack. Sometimes the estrogen inside the body is lowered, which can lead to dizziness. 5. Some people experience increased blood pressure during menstruation, which causes cerebral vascular spasms, resulting in insufficient blood supply to the brain and dizziness. Some people are usually weak and this can also affect the circulation of the blood system, which can easily cause dizziness. In addition, sometimes the diet is not careful, often stay up late, long hours of low work, usually long exposure to electronic products with radiation can also lead to dizziness. Therefore, if you experience severe dizziness during menstruation and it does not ease, you should pay attention to it and go to the hospital for further examination as soon as possible.