She has been having increased night sweats along with loss of appetite and weight loss. She will be 97 this month. She has severe aortic stenosis. She is diabetic controlled by P.O. medication. She also takes CRESTOR AND MEDICATION FOR UNDERACTIVE THYROID AND HIGH BP. tHE NITRO PATCH IS THE NEWEST DRUG AND THE ABOVE SYMPTOMS HAVE DEVELPOED SINCE SHE HAS BEEN ON THE NITRO PATCH. iS THE DOSE TOO HIGH