It is a national, retrospective , observational study in hypertensive patients treated for at least 8 weeks with the fixed dose combination of telmisartan 80 mg and hydrochlorothiazide 25 mg. The primary objective is to assess the control rate (systolic and diastolic blood pressure). Key secondary objectives are to assess the blood pressure reduction after at least 8 weeks of treatment, describe the population treated with this new fixed dose combination