[header] How to prevent hot flashes [title] Rule out other medical causes. [step] Hot flashes can be caused by medical issues outside of menopause, including thyroid issues and anxiety. Visit your doctor to find out what might be causing your hot flashes to help prevent them in the future. 
Be sure to tell your doctor about any other symptoms you may be experiencing, such as digestive problems or fatigue. [title] See if any of your prescription medications may cause hot flashes.