Background & objectives: Hypertension is a disease with high prevalence and complications and unfortunately the freatment of which is not desirable in many communities including ours. The aim of this study is to assess the therapeutic diet giving and level control of HTN in patients with Hypertension who refered to Ardabil Boali Hospital emergency room and out patient Clinic room.

  Methods: This study was performed on 200 patients who refered to the emergency room and out patient Clinic in Ardabil Boali Hospital from 2003 to 2004 due to high blood pressure. In this study, blood pressure and other factors such as sex, age and the therapeutic modality including compliance to theyapy and kind and quality of drugs were determined, then the data was analyzed by using descriptive statistics.

  Results: Of 200 patients only 1% did not take drug 59.5% of patients were on monotherapy and 39.5% took two or more drugs 33.5% were on Beta blocker (Atenolol) and 11% on ACE inhibitor (Enalapril). Among patients on combination therapy the highest prevalence was B.bloche and ACE.I 40%, and the least one prevalence was diuretic and CCB (2%). All patients on diuretic were pre hypertensive whereas the majority of patients on CCB had stageII hypertension. In patients on multi drug therapy all patients on diuretics + CCB were pre hypertensive but 57% of patients on ACEI + CCB or ACE.I + diuretic had stageII hypertension.

  Conclusion: In this study for combination therapy Diuretic and CCB had the best result in controlling hypertension.