Adult & elderly 75 mg as a single dose.
Patient suffering from non-ST segment elevation acute coronary syndrome (unstable angina or non-Q-wave MI) Initially 300 mg as a single loading dose then continued at 75 mg once daily.
Patient suffering from ST segment elevation acute MI Initially 300 mg as a single loading dose in combination w/ ASA & w/ or w/o thrombolytics then continued at 75 mg as a single daily dose.
Patient >75 yr Initiate therapy w/o a loading dose.
Atrial fibrillation 75 mg as a single daily dose + ASA 75-100 mg daily.