To help prevent head rushes or lightheadedness upon standing, you can try the following measures: Take your time when transitioning from sitting or lying down to standing up. Instead of getting up quickly, do it gradually, allowing your body to adjust to the change in position. Stay hydrated by drinking an adequate amount of water throughout the day. Dehydration can contribute to low blood volume, which may increase the likelihood of experiencing head rushes. Avoid sudden movements or changes in position that can trigger a drop in blood pressure. When getting out of bed, sit up slowly and pause for a moment before standing. Regular exercise can help improve cardiovascular health and promote better blood circulation. However, if you experience frequent head rushes, it's advisable to discuss your exercise routine with a healthcare professional to ensure it is appropriate for your condition. If you are prone to vasovagal syncope or have a history of fainting, try to identify and avoid triggers such as standing for long periods, extreme heat, or emotional stress. Maintain a balanced diet that includes foods rich in essential nutrients, particularly iron and vitamin B12, as deficiencies in these nutrients can contribute to lightheadedness. if possible kindly revert me with your CBC,if symptoms persist ,consult with appointment I hope you liked my advise..