Calan SR

Adult Dosing .

Dosage forms:  ER TAB: 120 mg, 180 mg, 240 mg

HTN

[180-480 mg/day PO divided qd-bid]

Start: 180 mg PO qam; Max: 480 mg/day; Info: start 120 mg PO qam in elderly pts or if small stature; divide dose bid if >240 mg/day; give w/ food; do not cut/crush/chew tab

atrial fibrillation/flutter (off-label)

[180-480 mg/day PO divided qd-bid]

Start: 120 mg PO qam; Max: 480 mg/day; Info: for maintenance rate control; divide dose bid if >240 mg/day; give w/ food; do not cut/crush/chew tab

renal dosing

[see below]

renal impairment: not defined, caution advised

HD/PD: not defined

hepatic dosing

[see below]

hepatic impairment: decr. usual dose dose by 70%; Info: consider alternate dosage form

Peds Dosing .

Peds dosing is currently unavailable or not applicable for this drug.