Cardizem CD and Cardizem (Diltiazem Hydrochloride)
Complete patient guide for uses, dosage, side effects, and safety information
Quick Facts
What Is Cardizem CD and Cardizem Used For?
Cardizem CD capsules and Cardizem tablets contain diltiazem hydrochloride, which helps manage angina and high blood pressure.
Primary Uses
Cardizem tablets are used to prevent angina, while Cardizem CD capsules are used for both preventing angina and treating high blood pressure.
How It Works
These medications work by relaxing blood vessels, which lowers blood pressure and improves blood flow to the heart.
Good to know: Cardizem is not considered addictive.
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How to Take Cardizem CD and Cardizem
Follow your doctor's instructions carefully when taking Cardizem.
Dosage Instructions
Cardizem CD should be taken once daily, preferably at the same time. Cardizem tablets are taken three to four times daily. Swallow with a glass of water and do not chew.
What If You Miss a Dose?
If you miss a dose, skip it if it's almost time for your next dose. Otherwise, take it as soon as you remember. Do not double the dose.
Important: Never take a double dose to make up for a missed one.
Available Tablet Strengths
Side Effects
Like all medications, this medicine can cause side effects. Most are mild and temporary, but some require medical attention.
Common Side Effects
These side effects occur relatively frequently and usually don’t require emergency care:
- skin rash or itching
- dizziness
- headache
- nausea
- constipation
- dry mouth
- weight gain
- tiredness
Seek immediate medical attention if you experience:
- difficulty breathing
- irregular heartbeat
- severe chest pain
- continuous dizziness
- blisters in the mouth or on the skin
Impulse Control Issues
There is no mention of impulse control issues associated with Cardizem.
Important Warnings
There are specific conditions and situations where Cardizem should not be used.
Who Should Not Take Cardizem CD and Cardizem
Do not take if you are allergic to diltiazem or any ingredients, have certain heart rhythm issues, low blood pressure, or have had a heart attack.
Medical Conditions to Discuss
Discuss any history of heart problems, kidney or liver issues, diabetes, or asthma with your doctor before starting treatment.
Pregnancy and Breastfeeding
Cardizem should not be used during pregnancy as it may affect the developing baby. Consult your doctor if you are breastfeeding.
Elderly Patients With Dementia: Caution is advised for elderly patients, especially those with dementia.
Drug Interactions
Some medications may interact with Cardizem, affecting how it works.
Grapefruit interaction: Grapefruit juice may increase the effects of Cardizem.
- dantrolene
- ivabradine
- aspirin
- cilostazol
- beta blockers
- digoxin
- amiodarone
- nitrates
- ciclosporin
- rifampicin
- cimetidine
- ranitidine
- diazepam
- phenytoin
- carbamazepine
- lithium
- theophylline
- certain prostate medications
- inhaled anaesthetics
- cholesterol-lowering medications
- benzodiazepines
- corticosteroids
- antiarrhythmics
- colchicine
- direct acting oral anticoagulants
Alcohol & Driving
Be cautious with alcohol and driving while on Cardizem.
Alcohol
Avoid alcohol as it may enhance the effects of Cardizem.
Driving and Operating Machinery
Be careful when driving or using machinery until you know how Cardizem affects you, as it may cause dizziness.
Storage
Store Cardizem in a cool, dry place below 25°C. Keep it out of reach of children.
Overdose Information
If you suspect an overdose, seek immediate medical attention. Symptoms may include severe dizziness, slow heartbeat, and chest pain.
Frequently Asked Questions
Cardizem CD is designed to release the active ingredient slowly over 24 hours, while Cardizem tablets work more quickly.
You can take Cardizem with a glass of water, but it's best to follow your doctor's specific instructions.
No, Cardizem is not considered addictive.
Do not stop taking Cardizem suddenly, as it may cause severe angina attacks.
It's advisable to avoid alcohol while taking Cardizem, as it may increase its effects.
Weight gain is a possible side effect; consult your doctor if you have concerns.
Elderly patients should use caution, especially those with dementia.
If you miss a dose, skip it if it's almost time for your next dose; otherwise, take it as soon as you remember.
Important Disclaimer
This information is intended for general educational purposes only and should not be considered medical advice. Always consult your healthcare provider or pharmacist before starting, stopping, or changing any medication.
If you think you may have a medical emergency, call your doctor or emergency services immediately.