Adult & elderly 75 mg as a single dose.
Unstable angina or non-STEMI Loading dose: 300 mg, then followed by 75 mg once daily (w/ ASA 75-325 mg/day).
STEMI 75 mg/day w/ or w/o loading dose, in combination w/ ASA w/ or w/o thrombolytic agents. Combination treatment should be continued to min 4 wk.