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Important information about using Cardizem CD capsules and Cardizem tablets, including their active ingredient, indications, warnings, dosage instructions, and potential side effects. It is intended for individuals who have been prescribed these medications by a healthcare professional.
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The full CMI on the next page has more details. If you are worried about using this medicine, speak to your doctor or pharmacist.
Cardizem CD capsules or Cardizem tablets both contain an active ingredient diltiazem hydrochloride. Cardizem tablets are used to prevent angina. Cardizem CD capsules are used to prevent angina or to treat hypertension (high blood pressure). For more information, see Section 1. Why am I using Cardizem? in the full CMI.
Do not use if you have ever had an allergic reaction to Cardizem CD capsules or Cardizem tablets or any of the ingredients listed at the end of the CMI. Talk to your doctor if you have any other medical conditions, take any other medicines, or are pregnant or plan to become pregnant or are breastfeeding. For more information, see Section 2. What should I know before I use Cardizem? in the full CMI.
Some medicines may interfere with Cardizem and affect how it works. A list of these medicines is in Section 3. What if I am taking other medicines? in the full CMI.
Things you should do
All medicines can have side effects. Sometimes they are serious, but most of the time they are not. Tell your doctor or pharmacist as soon as possible if you do not feel well while you are using these medicines. Some of the serious side effects are heat beating irregularly, slowly or very quickly; continuously lightheaded or dizzy; feeling pain, which may be severe, in your left arm and chest. For more information, including what to do if you have any side effects, see Section 6. Are there any side effects? in the full CMI.
Active ingredient: Diltiazem hydrochloride
This leaflet provides important information about using Cardizem CD capsules and Cardizem tablets. You should also speak to your doctor or pharmacist if you would like further information or if you have any concerns or questions about using Cardizem CD capsules or Cardizem tablets. Where to find information in this leaflet:
You have been prescribed either Cardizem CD capsules or Cardizem tablets. These medicines both contain an active ingredient called diltiazem hydrochloride. The difference between these is that Cardizem CD is designed to release the active ingredient slowly so that it works over 24 hours and can be taken once a day (CD stands for "controlled delivery"). Cardizem tablets release the active ingredient faster and so must be taken more often (3-4 times a day, as your doctor has instructed). These medicines belong to a group of medicines called calcium channel blockers or calcium antagonists. They work by opening up blood vessels, which lowers blood pressure and lets more blood and oxygen reach the heart. They do not change the amount of calcium in your blood or bones. Cardizem tablets are used to prevent angina. Cardizem CD capsules are used to prevent angina or to treat hypertension (high blood pressure). Angina is a pain or uncomfortable sensation in the chest, often spreading to the arms or neck and sometimes to the shoulders and back. The pain of angina is due to a shortage of oxygen to the heart. High blood pressure can have many different causes, including kidney disease, hardening of the arteries and some hormone imbalances. However, the vast majority of people with high blood pressure have no identifiable cause for it. If left untreated, high blood pressure can lead to serious health problems such as a stroke or heart attack. Your doctor may have prescribed these medicines for another reason. Ask your doctor if you have any questions about why these medicines have been prescribed for you. There is no evidence that these medicines are addictive. These medicines are available only with a doctor's prescription.
Do not take a double dose to make up for the dose you missed.
If you think that you or anyone else may have taken too many Cardizem CD capsules or Cardizem tablets, you may need urgent medical attention. You should immediately:
Take these medicines exactly as your doctor has prescribed. If you do not follow your doctor's instructions, you may not get relief from your attacks of angina, or your blood pressure may not be as well controlled as it could be. If you are taking these medicines for angina, tell your doctor if you continue to have angina attacks or if they become more frequent. Tell your doctor dentist or pharmacist that you are taking Cardizem CD capsules or Cardizem tablets if you are about to be started on any new medicine.
Be careful not to overdo physical activities when you first start using these medicines. You may feel better when you start taking these medicines, but you will need time to improve your physical fitness. Drinking grapefruit juice may increase the effects of Cardizem and Cardizem CD. Get up slowly when getting out of bed or standing up if you feel light-headed, dizzy or faint. If this is a problem and it gets worse or continues, talk to your doctor.
Be careful before you drive or use any machines or tools until you know how these medicines affect you. These medicines may cause dizziness and fainting in some patients, especially when you first start to use them. Make sure you know how you react to these medicines before you drive a car, operate machinery, or do anything else that could be dangerous if this happens to you.
If you no longer need to use this medicine or it is out of date, take it to any pharmacy for safe disposal. Do not use this medicine after the expiry date.
These medicines help most people with angina, and Cardizem CD will help control most people's blood pressure, but they may have unwanted effects in a few people. All medicines can have side effects. If you do experience any side effects, most of them are minor and temporary. However, some side effects may need medical attention. See the information below and, if you need to, ask your doctor or pharmacist if you have any further questions about side effects.
Less serious side effects What to do Skin-related
Serious side effects What to do General
After you have received medical advice for any side effects you experience, you can report side effects as follows: Australia: Therapeutic Goods Administration online at www.tga.gov.au/reporting-problems New Zealand: Medsafe online at: https://www.medsafe.govt.nz/safety/report-a- problem.asp By reporting side effects, you can help provide more information on the safety of this medicine. Always make sure you speak to your doctor or pharmacist before you decide to stop taking any of your medicines.
This medicine is only available with a doctor's prescription. What Cardizem contains: Cardizem CD 180 and 240 mg capsules Active ingredient (main ingredient) Diltiazem hydrochloride 180 mg or 240 mg Other ingredients (inactive ingredients) fumaric acid, purified talc, non- pareil seeds (sucrose), colloidal anhydrous silica, white beeswax, ethylcellulose, castor oil, stearic acid, methacrylic