Calcium Channel Blockers

drugs

Amlodipine, diltiazem, felodipine, nicardipine, nifedipine, verapamil

action

Inhibit the movement of calcium ions across the membranes of myocardial and arterial muscle cells, altering the action potential and blocking muscle cell contraction.

indication

hypertension, angina

Contraindications

• Allergy

• Heart block or sick sinus syndrome

• Renal or hepatic dysfunction

• Pregnancy or lactation

adverse efx

• dizziness, lightheadedness, headache and fatigue

• hypotension, bradycardia, peripheral edema, and heart block

• skin flushing and rash