... anxiety disorder all my life, I had been on lisinopril/hctz, 20/12.5mg for the last 6_7yrs, I went to dr. about 2wks ago,and he increased mg. to 20/25m I also take alprazolam 0.5mg 2 times a day yesterday I stood up felt a little dizzy and next I remember I'm sitting on the carpet, I have taken alprazolam for years and until my doctor increased blood pressure medicine, well,I don't feel right