HYPERTENSION : 40mg bid. Range 120-320mg/day as bid/tid. Max. 640mg/day. SR given as 120-160mg od.
ARRHYTHMIAS: 30-160mg daily as tid/qid.
ANGINA: 80-320mg/ day as bid/qid.
MIGRAINE: Initial 40mg bid/tid increasing weekly to 80-160mg/day.
Px.AFTER MI: 40mg qid for 2-3 days foll. by 80mg bid from 5-21 days after MI |