DOXAZOSIN FOR PTSD

The aims of this study is to determine the effects of treatment with doxazosin XL 16 mg/d combined with virtual reality (VR) exposure therapy on Post Traumatic Stress Disorder. The effects of treatment with doxazosin XL 16 mg/d combined with virtual reality (VR) exposure therapy will be assessed in double-blind, placebo-controlled study. The study will enroll 30 participants. The investigators will use a within groups design in which all participants receive both placebo and doxazosin (N=16) with the order counterbalanced across participants. A second group of patients (N=16) will receive both 16mg perindopril and placebo instead of doxazosin/placebo.