My blood pressure readings at home are not consistent at the doctors office. It s low home but very high at doctors office. My medication was change to a higher dosage but it doesn t seem to work. Initial reading before meds was 155/91. And with med. 156/95. Medication is lisinopril 10 mg. got blood result. Everything fine except low red blood cells. I don t know what is causing my blood pressure to go up that high. Can u give me some reasons