Discussions that mention cozaar

High & Low Blood Pressure board

My son is 12 years old and has high blood pressure. (He has renal artery stenosis and mid-aortic syndrome. ) He is taking nifedipine, lisinopril and cozaar. A couple of weeks a go, his doctor raised his dosage of nifedipine from 10 mg twice a day to 10 mg three times a day. Since then, his blood pressure is getting higher. It went from averaging 130/70 to averaging 138/80. Has anyone ever heard of this happening? He has another appointment at the end of the month. Hopefully it isn't an indication of things getting worse. :(

Thanks for any help you can give.