Therapeutic Handbook - GGC Prescribing

Continued from previous pageCalcium-channel blockers – may be considered if indicatedAmlodipine oral 5 - 10 mg daily. This is the preferred calcium-channel blocker for patients on abeta-blockerorDiltiazem oral 60 mg three times daily or 200 - 500 mg long-acting formulation once daily(e.g. Tildiem LA ® ). Always prescribe diltiazem by brand name. Never prescribe a rate limitingcalcium-channel blocker together with a beta-blocker unless advised by a consultant.Nitrates – may be considered if indicatedIsosorbide mononitrate oral 10 - 40 mg twice daily (prescribe 8 am and 2 pm).Nitrate free period recommended (usually at night) to avoid developing tolerance.Cardiovascular SystemPage 99