Have shortness of breath and lightheaded. Blood work, 2 EKG and chest X-ray all normal. Cause? High blood pressure a possibility? On. 25 of Xanax (alprazolam)

Anxiety. The xanax (alprazolam) suggests a doc gave it to you for anxiety or panic attacks. Getting online info without seeing the doc likely not a great idea for you. Suggest you see your doc or another so more stress isn't triggered.