Dizziness and lack of energy during menstruation are related to one’s own body constitution: 1. Consider the problem of hypoglycemia or anemia during menstruation. 3. Dizziness may occur due to hormonal disruptions during menstruation, which may stimulate the head. 4. Other diseases may cause dizziness and lack of energy, such as cervical spondylosis or hypotension. If the situation is serious, it is recommended to go to the hospital for examination and diagnosis to confirm the type of disease.