dose
Last reviewed 01/2018
Hypertension, 50 mg daily (higher doses no longer considered necessary)
Angina, 100 mg daily in 1 or 2 doses Arrhythmias, 50 - 100 mg daily
Within 12 hours of infarction by mouth 50 mg after 15 minutes, 50 mg after 12 hours, then 100 mg daily