Patient G roup ASH/ISH 1 JNC8 2 ESH/ESC 3 NICE 4–6 ACC/AHA 7 General population Age <60 years: ACE inhibitor or ARB Age ≥60 years: CCB or thiazide-type diuretic Thiazide-type diuretic, CCB, ACE inhibitor or ARB* Thiazide-type diuretic, CCB, ACE inhibitor, ARB, beta-blocker Age <55 years: ACE inhibitor or ARB Age ≥55 years: CCB Thiazide-type diuretic, CCB, ACE inhibitor or ARB Very high baseline blood pressure or at high cardiovascular risk Two-drug combination (CCB or thiazide and ACE inhibitor or ARB) Initiate with two drugs simultaneously or as single drug Consider initiation of antihypertensive therapy with a 2-drug combination n/a Two first-line drugs of different classes (separately or fixed-dose combination) Black population CCB or thiazide Thiazide, CCB Diuretic or CCB CCB (or thaizide ) Thiazide, CCB Non-diabetic chronic kidney disease ACE inhibitor, ARB ACE inhibitor, ARB With proteinuria: ACE inhibitor, ARB ACE inhibitor or ARB (if pretreatment serum potassium <5 mmol/L) With albuminuria: ACE inhibitor (or ARB if not tolerated) Diabetic ACE inhibitor, ARB Thiazide, CCB, ACE inhibitor, ARB With proteinuria: ACE inhibitor, ARB Without proteinuria: all classes ACE inhibitor (or CCB in women wanting to become pregnant) With albuminuria : ACE inhibitor, ARB Without albuminuria: all classes *If goal blood pressure is not reached within a month of treatment, increase the dose of the initial drug or add a second drug (thiazide-type diuretic, CCB, ACE inhibitor or ARB). The clinician should continue to assess blood pressure and adjust the treatment regimen until goal blood pressure is reached. 4. Review your drug treatment ACC, American College of Cardiology; ACE, angiotensin-converting enzyme; AHA, American Heart Association; ARB, angiotensin receptor blocker; ASH, American Society of Hypertension; CCB, calcium channel blocker; ESC, European Society of Cardiology; ESH, European Society of Hypertension; ISH, International Society of Hypertension; JNC, Joint National Committee; NICE, National Institute for Health and Clinical Excellence Weber MA, et al. J Clin Hypertens . 2014;16:14-26. James PA, et al. JAMA. 2014;311:507-520. Mancia G, et al. Eur Heart J. 2013;34:2159-2219. NICE . Hypertension. Clinical Guideline 127. Updated November 2016. NICE. Chronic kidney disease. Clinical Guideline 182. Updated January 2015. NICE. Type 2 diabetes. Clinical Guideline 87. Updated December 2014. Whelton PK, et al. Hypertension. 2017 Nov 13. [Epub ahead of print]