Some antihypertensives are contraindicated in certain disorders (eg, beta-blockers in asthma) or are indicated particularly for hypertensive patients with certain disorders (eg, calcium channel blockers for angina pectoris, ACE inhibitors or angiotensin II receptor blockers for diabetes with proteinuria —see tables Initial Choice of Antihypertensive Drug Class and Antihypertensives for Patients With Co-existing Conditions).