- See:
Class IV Agents
- For
Angina pectoris,
HTN;
- Adults: 30mg PO qid intially, then 180-360 mg/day in divided doses;
- SR formulations available: 60, 120, 180 mg PO bid;
- CD form available as 240 mg;
- may be used in combo w/
NTG, or
Beta blockers
- Precautions:
- must observe for
Bradycardia or Hypotension;
-
bradycardia, & Prolonation of PR interval (slows AV node)
- contraindicated w/ Sick Sinus Syndrome, 2-3 deg AV block, and hypotension SBP<90 (same contra as
Verapamil);
- causes slight increase in
Digitalis levels;
