Hello, There are several factors that cause high blood pressure and hot flashes. In order to answer precisely, first of all, it is better to specify your gender( male/ female). Detailed Answer: The exact causes of high blood pressure are not known, but several things may play a role, including: •     Smoking •     Being overweight or obese •     Lack of physical activity •     Too much salt in the diet •     Too much alcohol consumption (more than 1 to 2 drinks per day) •     Stress •     Older age •     Genetics •     Family history of high blood pressure •     Chronic kidney disease •     Adrenal and thyroid disorders •     Sleep apnea •     Hormonal disorders such as menopause etc The cause of hot flashes isn t known, but it s likely related to several factors. These include changes in reproductive hormones and in thyroid hormones. I am sure that your doctor has judged your condition and has prescribed good medications for High Blood Pressure. If these symptoms continue, please see a doctor and check your hormones. Hope I have answered your query. Let me know if I can assist you further. Take care Regards, Dr Enton Dore, General & Family Physician