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Hypertension: Starting dose is 100mg daily and can be increased by 100mg per day at weekly intervals up to 400mg taken as a single dose.
If control is not achieved on the single daily dose basis the daily requirement should be taken in two doses (morning and evening) and addition to the treatment of a diuretic or another antihypertensive agent may be considered.
Angina: 50-100mg twice or three times daily.
