Prinzmetals, variant angina, chronic stable angina- Adolescent, adult: 10 mg PO tid. Range: 10-20 mg tid. Some pts may need up to 30 mg qid. Max 180 mg qd (caps); 120 mg qd (ext-rel tab). Hypertension- Adolescent, adult: 30-60 mg PO once qd (extended-release tab). Adjust dose q 7-14 day. Max 120 mg qd. |