This information from Lexicomp® explains what you need to know about this medication, including what it’s used for, how to take it, its side effects, and when to call your healthcare provider.
Cardizem; Cardizem CD; Cardizem LA; Cartia XT; Dilt-XR; dilTIAZem CD [DSC]; Matzim LA; Taztia XT; Tiazac
ACT Diltiazem CD; ACT Diltiazem T; APO-Diltiaz; APO-Diltiaz CD; APO-Diltiaz SR [DSC]; APO-Diltiaz TZ; Cardizem CD; Diltiazem CD; Diltiazem TZ; Diltiazem-CD; MAR-Diltiazem T; NU-Diltiaz-SR [DSC]; Pharma-Diltiaz; PMS-Diltiazem CD; SANDOZ Diltiazem CD; SANDOZ Diltiazem T; TEVA-Diltazem; TEVA-Diltiazem CD; TEVA-Diltiazem HCl ER; Tiazac; Tiazac XC; TRIA-Diltiazem [DSC]
- It is used to treat high blood pressure.
- It is used to treat a type of long-term chest pain (stable angina) in some people.
- It is used to treat certain types of abnormal heartbeats.
- It may be given to your child for other reasons. Talk with the doctor.
- If your child has an allergy to this drug or any part of this drug.
- If your child is allergic to any drugs like this one or any other drugs, foods, or other substances. Tell the doctor about the allergy and what signs your child had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
- If your child has certain types of abnormal heartbeats. There are many types of abnormal heartbeats with which this drug must not be used. Ask the doctor or pharmacist if you are not sure.
- If your child has low blood pressure.
- If your child has had a recent heart attack.
- If your child is taking ivabradine.
- If your child is taking rifampin.
If your child is breast-feeding a baby:
- Talk with the doctor if your child is breast-feeding a baby or plans to breast-feed a baby.
This is not a list of all drugs or health problems that interact with this drug.
Tell the doctor and pharmacist about all of your child’s drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for your child to take this drug with all of his/her drugs and health problems. Do not start, stop, or change the dose of any drug your child takes without checking with the doctor.
- Tell all of your child’s health care providers that your child is taking this drug. This includes your child’s doctors, nurses, pharmacists, and dentists.
- Have your child avoid tasks or actions that call for alertness until you see how this drug affects your child. These are things like riding a bike, playing sports, or using items such as scissors, lawnmowers, electric scooters, toy cars, or motorized vehicles.
- To lower the chance of feeling dizzy or passing out, have your child rise slowly if your child has been sitting or lying down. Have your child be careful going up and down stairs.
- Have your child’s blood pressure and heart rate checked often. Talk with your child’s doctor.
- Your child may need to have an ECG checked while taking this drug. Talk with the doctor.
- If your child is taking this drug and has high blood pressure, talk with the doctor before giving OTC products that may raise blood pressure. These include cough or cold drugs, diet pills, stimulants, ibuprofen or like products, and some natural products or aids.
- Alcohol may interact with this drug. Be sure your child does not drink alcohol.
- If your child drinks grapefruit juice or eats grapefruit often, talk with your child’s doctor.
- This drug may affect how much of some other drugs are in the body. If your child is taking other drugs, talk with the doctor. Your child may need to have blood work checked more closely while taking this drug with other drugs.
If your child is pregnant:
- Tell the doctor if your child is pregnant or becomes pregnant. You will need to talk about the benefits and risks of your child using this drug while pregnant.
WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your child’s doctor or get medical help right away if your child has any of the following signs or symptoms that may be related to a very bad side effect:
- Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
- Signs of liver problems like dark urine, feeling tired, not hungry, upset stomach or stomach pain, light-colored stools, throwing up, or yellow skin or eyes.
- Very bad dizziness or passing out.
- Slow heartbeat.
- An abnormal heartbeat that is new or worse.
- Heart failure has gotten worse in some people taking this drug. If your child has heart failure, talk with your child’s doctor. Call your child’s doctor right away if your child has shortness of breath, a big weight gain, or swelling in the arms or legs.
- A very bad skin reaction (Stevens-Johnson syndrome/toxic epidermal necrolysis) may happen. It can cause very bad health problems that may not go away, and sometimes death. Get medical help right away if your child has signs like red, swollen, blistered, or peeling skin (with or without fever); red or irritated eyes; or sores in the mouth, throat, nose, or eyes.
All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your child’s doctor or get medical help if any of these side effects or any other side effects bother your child or do not go away:
All oral products:
- Feeling tired or weak.
- Irritation where the shot is given.
These are not all of the side effects that may occur. If you have questions about side effects, call your child’s doctor. Call your child’s doctor for medical advice about side effects.
You may report side effects to your national health agency.
Give this drug as ordered by your child’s doctor. Read all information given to you. Follow all instructions closely.
All oral products:
- To gain the most benefit, do not miss giving your child doses.
- Have your child swallow whole. Do not let your child chew, break, or crush.
- Give this drug at the same time of day.
- Keep giving this drug to your child as you have been told by your child’s doctor or other health care provider, even if your child feels well.
Long-acting capsules (24 hour):
- Some drugs may need to be given with food or on an empty stomach. For some drugs, it does not matter. Check with your pharmacist about how to give this drug to your child.
- Some products may be opened and sprinkled on a spoonful of applesauce. Some products must be swallowed whole. Check with your pharmacist to see if you can open this product.
All other oral products:
- Give this drug with or without food.
- It is given as a shot into a vein.
- It is given as an infusion into a vein over a period of time.
All oral products:
- Give a missed dose as soon as you think about it.
- If it is close to the time for your child’s next dose, skip the missed dose and go back to your child’s normal time.
- Do not give 2 doses at the same time or extra doses.
- Call your child’s doctor to find out what to do.
All oral products:
- Store at room temperature.
- Protect from light.
- Store in a dry place. Do not store in a bathroom.
- If you need to store this drug at home, talk with your child’s doctor, nurse, or pharmacist about how to store it.
- Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
- Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.
- If your child’s symptoms or health problems do not get better or if they become worse, call your child’s doctor.
- Do not share your child’s drug with others and do not give anyone else’s drug to your child.
- Keep a list of all your child’s drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your child’s doctor.
- Talk with your child’s doctor before giving your child any new drug, including prescription or OTC, natural products, or vitamins.
- Some drugs may have another patient information leaflet. If you have any questions about this drug, please talk with your child’s doctor, nurse, pharmacist, or other health care provider.
- If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
This information should not be used to decide whether or not to take this medicine or any other medicine. Only the healthcare provider has the knowledge and training to decide which medicines are right for a specific patient. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from the healthcare provider. You must talk with the healthcare provider for complete information about the risks and benefits of using this medicine.
© 2019 Wolters Kluwer Clinical Drug Information, Inc. and its affiliates and/or licensors. All rights reserved.