I take Norco as a pain medicine for lower back and hip pain. I also take lisinopril for high blood pressure control. Amitripylin for sleep assist. Diclofenac for arthritis relief! I have experiencing dizzy spells almost to the point of black out anytime I stand, any kind of exertion, or quick movement of any kind. At the same time I tend to experience an elevated heart rate! It's been going on for some time. My Dr. said it's just allergies, but I'm not so sure. Contemplated The ER a few times. Can you help?