I have asthma, low blood count, renal failure,high blood pressure I AM TAKING OTHER MEDICATIONS ALSO. I HAVE BEEN TOLD TO TAKE HYDRALAZINE BY MY PCP, BUT I WAS IN HOSPITAL AND THEY TOLD ME NOT TO TAKE THIS MEDICINE, BECAUSE IT WOULD MAKE MY HEART RATE FALL DANGEROUSLY, WHAT SHOULD I DO. AT THIS TIME I AM TAKING NORVASE, BUT I NEED TO TAKE SOMETHING ELSE.