Cardizem
Written by Robert A Wilson   
Sunday, 11 February 2007

Generic Name: Diltiazem HCl


Classification: Calcium Channel Blocker - Available by prescription only.

Other Names: Cardizem-CD, Cardizem-SR, Dilacor-XR, Diltiazem, Tiazac

Used to treat:

  • Angina - Chest pain due to blockage of arteries to the heart
  • Hypertension - High blood pressure
(These are common indications for this medication. There may be additional conditions not listed here. Check with your doctor if you have questions about your specific condition).

 

General Directions for Taking Medication:

  • Take only as directed. DO NOT discontinue medication abruptly, even if you feel better. May cause a rebound effect of higher blood pressure.
  • If you miss a dose, take the medicine as soon as you remember. If it is time for your next dose, take only 1 dose. DO NOT double up the doses.
  • DO NOT crush, break or chew sustained-release forms of this medication.
  • If dizzy due to hypotension (low blood pressure), change positions slowly.
  • Learn how to monitor your blood pressure at home and keep a diary for your doctor.
  • Take with meals or a tall glass of milk to prevent upset stomach.
  • Practice good dental hygiene to prevent gum inflammation (swelling, tenderness, and pain).
  • Talk to your doctor about exercise, tips to stop smoking, and less salt in your diet.
  • Tell all healthcare providers that you are taking this medicine prior to having any procedure.
  • Keep enough medication on hand especially during holidays, weekends and vacations.
  • Talk to your doctor about the need to wear a medical alert pendant or bracelet. There are many products that provide information to health care providers about your medicines and specific condition in case of an emergency.
  • See your doctor regularly to monitor the effectiveness of this medication with lab tests, blood pressure screenings, and a physical exam.

Contraindications:

  • Allergies - Hypersensitivity to this medication or its components
  • Patients with Heart Block (unless pacemaker in place)
  • Patients with low blood pressures, a recent heart attack, or pulmonary congestion
  • Use with caution in:
  • Pregnancy, breastfeeding, and children - Talk to your doctor about the risks and benefits.
  • Patients with liver disease, kidney disease, or history of arrhythmias (irregular heart beats)
  • Elderly patients - May require smaller dosages to control symptoms.

Common Side Effects:

  • May occur during the first few days after beginning therapy, but usually resolve:
  • Dizziness, lightheadedness, headache, or blurred vision; bloating, heartburn, or nausea and vomiting; muscle cramps, weakness, stiff joints, and tremors; flushing, sweating, and a rash; confusion, anxiety, difficulty sleeping or nervousness

Serious Side Effects:

  • Notify your doctor immediately if you experience any of the following:
  • Swelling of hands or feet; an irregular heartbeat; shortness of breath; severe headache; or profound dizziness
  • Allergic reaction symptoms such as a red skin rash; itching; swelling of the face, lips, tongue, and throat; wheezing; chest pain; and difficulty breathing

Interactions:

  • Drug - There are many medications, both over-the-counter and prescription, which will alter the action of this medication. Some include heart medications; antacids that contain calcium; calcium supplements; vitamin D; barbiturates; seizure medicines; narcotics; other antihypertensives; anti-tuberculosis drugs; antihistamines; and decongestants.
  • It is extremely important that you consult with your doctor about dosing schedules if you take a variety of medications along with this medication. DO NOT take any new medication without talking with your doctor first.

Warnings:

  • Overdose - Can lead to severe hypotension, abnormally slow heart rates, and heart block.
  • DO NOT drink alcohol or use over-the-counter cold remedies when taking this medication.
  • DO NOT drive or operate heavy machinery until you determine the extent of dizziness and drowsiness. Your doctor may be able to adjust your dose to control these side effects.
  • Keep this medication and all others out of reach of children and pets.

General Dosage Information:

Dosing is individually based. Talk to your doctor about your specific dosing schedule:

Storage:

  • Keep at room temperature.
  • Protect from sunlight and moisture.
  • DO NOT store in the bathroom.
Last Updated ( Friday, 08 February 2008 )