Cardizem
Cardizem

0.45
Cardizem is a calcium channel blocker used to treat hypertension and chronic angina.


Ingredient
Availability
In Stock
Delivery
Airmail (14-21 days) | EMS trackable (5-9 days)
Product is shipped in a fully discreet envelope with no content disclosure, including all required documentation inside

Product Sheet

Active Ingredient(s)
Diltiazem
Product Origin
Generic Alternative
Reference Manufacturer
Valeant
Product Form
Tablet, Extended-release capsule
Regulatory Classification
Rx
Primary Category
Heart & Blood Pressure
Product Category
Calcium channel blocker
Pharmacological Class
Benzothiazepine
Clinical Indications
Hypertension, Angina
Manufacturer Description
Cardizem is a calcium channel blocker used to treat hypertension and chronic angina.
Mechanism of Action
Cardizem prevents calcium from entering heart and blood vessel muscle cells, allowing them to dilate and improving overall blood flow.
Route of Administration
Oral
Onset Time
30–60 minutes
Duration
8–12 hours
Contraindications
Sick sinus syndrome, Severe hypotension
Severe Adverse Events
Heart block, Severe slow heart rate
Common Side Effects
Dizziness, Headache
Uncommon Side Effects
Swelling of ankles, Flushing
Drug Interactions
Beta-blockers, Digoxin
Pregnancy Safety Warnings
Discuss with a professional.
Storage Guidelines
Store at room temperature.
Related Products
Verapamil, Amlodipine

Cardizem FAQ

Can Cardizem be taken with other blood pressure medicines?

Yes, Cardizem is often combined with other antihypertensives such as ACE inhibitors or diuretics to achieve better blood-pressure control. However, the combination can increase the risk of hypotension, so dose adjustments and close monitoring are advised.

What should I do if I experience swelling in my ankles while on Cardizem?

Peripheral edema is a known side effect. Elevate the legs, reduce salt intake, and report the symptom to your physician, who may adjust the dose or switch to an alternative agent.

Does Cardizem interact with over-the-counter pain relievers?

Non-steroidal anti-inflammatory drugs (NSAIDs) may blunt the blood-pressure-lowering effect of Cardizem. Use acetaminophen for mild pain when possible, and discuss any regular NSAID use with your healthcare provider.

Is it safe to travel internationally with Cardizem pills?

Cardizem is a prescription medication, so you should carry it in its original packaging with a copy of the prescription. Some countries may require a certificate of authenticity; check the destination’s import regulations beforehand.

How can I tell if my dose of Cardizem is too high?

Signs of excessive dosing include dizziness, fainting, unusually slow heart rate (below 50 bpm), or markedly low blood pressure (systolic < 90 mmHg). Notify your doctor promptly if these occur.

What distinguishes Cardizem from other calcium-channel blockers like amlodipine?

Diltiazem (Cardizem) has both vascular and cardiac effects, making it useful for rhythm control in arrhythmias. Amlodipine primarily affects vascular smooth muscle and is favored for hypertension without significant heart-rate reduction.

Can Cardizem cause liver problems?

Mild elevations in liver enzymes have been reported, especially with high doses or prolonged use. Routine liver-function monitoring is recommended for patients on long-term therapy.

Why does Cardizem sometimes cause a flushing sensation?

Flushing results from vasodilation of peripheral blood vessels. It is generally harmless and subsides as the body adapts to the medication.

Is there a generic version of Cardizem available in Hong Kong?

Yes, the generic name is diltiazem, and several manufacturers supply equivalent tablets in the same dosage strengths. Generic versions must meet the same quality standards as the brand product.

What should I avoid eating while taking Cardizem?

Grapefruit and grapefruit juice should be avoided because they inhibit CYP3A4 metabolism, potentially increasing diltiazem levels and the risk of side effects.

Diltiazem Chemical Profile

Diltiazem is a calcium channel blocker used to affect the movement of calcium into the cells of the heart and blood vessel walls. By inhibiting this movement, the substance influences the electrical activity and contractility of heart muscle tissues and the relaxation of arterial vessels. It serves as a fundamental component in managing cardiovascular health, primarily focusing on regulating heart rhythm and vascular tone.

This active compound is recognized for its ability to dilate blood vessels, which facilitates improved blood flow throughout the body. As a medication ingredient, it undergoes various processes to ensure consistent delivery, whether in immediate-release or extended-release formats. Many patients recognize this substance as the primary active ingredient in medications like Cardizem, Tiazac, and Dilzem.

In the context of the Hong Kong healthcare landscape, this chemical is commonly available through both brand-name products and equivalent generic alternatives. The therapeutic selection often depends on the specific heart condition being addressed and the desired duration of action required for the patient's individual needs.

Available Formulations and Variations

The active ingredient is manufactured into several delivery systems to accommodate different clinical needs. In Hong Kong, you may encounter oral tablets, capsules, and extended-release versions designed for once-daily or twice-daily use. Each formulation of medications like Cardizem is engineered to control how quickly the active compound enters the bloodstream.

While branded medicines and generic alternatives share the same active ingredient, they may differ in their inactive components, such as fillers or capsule coatings. These variations do not change the core function of the substance but can influence how different individuals tolerate the medication. Always verify the specific brand or generic name on the packaging to understand the formulation type provided by the clinic or pharmacy.

Primary Therapeutic Applications

Health professionals utilize this ingredient to assist with several cardiovascular conditions. Its primary applications include:

  • Management of high blood pressure: By relaxing peripheral blood vessels, it lowers the resistance against which the heart pumps.
  • Addressing stable angina: It helps decrease the oxygen demand of the heart muscle, reducing chest pain associated with physical exertion.
  • Heart rhythm control: It is often applied to slow down an abnormally fast heart rate, such as in cases of atrial fibrillation or flutter.
  • Prevention of coronary artery spasms: The compound assists in keeping the vessels that supply the heart muscle open and relaxed.

Mechanism of Action

The substance functions by selectively blocking the entry of calcium ions into the smooth muscle cells of the heart and the walls of the arteries. Because calcium is necessary for muscle contraction, limiting its presence allows these tissues to remain in a more relaxed state.

In the blood vessels, this relaxation widens the internal diameter of the arteries, effectively lowering blood pressure and making it easier for the heart to circulate blood. Within the heart itself, the compound slows the speed at which electrical signals travel. This helps prevent the heart from beating too rapidly, allowing for a more regular and efficient rhythm during periods of stress or exertion.

Safety Profile

Common Reactions

Patients may occasionally experience sensations such as dizziness, mild swelling of the ankles, or flushing of the skin. These patterns are often transient as the body adjusts to the presence of the compound.

Serious Reactions

Immediate medical assessment is required if an individual notices a significantly slowed heart rate, fainting, shortness of breath, or new symptoms of fluid retention like rapid weight gain. These reactions are rare but indicate a need for prompt professional evaluation.

Contraindications

This ingredient is generally avoided in individuals with severe heart blockages or extremely low blood pressure readings. Caution is also required for those with existing liver or kidney impairments, as these conditions influence how the body processes the medication.

Interaction Awareness

The substance can interact with cholesterol-lowering medications, other heart rhythm drugs, and certain immunosuppressants. Consumption of grapefruit juice may also alter the way the body breaks down the ingredient. Refer to the specific patient information leaflet included with your medication for a complete list of known interactions.

Usage Context and Considerations

This ingredient is typically intended for long-term health management, requiring consistent daily use to remain effective. It should be stored at room temperature, away from moisture and direct heat, to maintain its chemical integrity. Storage requirements can vary slightly between different branded and generic versions, so check the label for specific environmental needs. For detailed usage, dosing, and administration, refer to the specific medication's clinical information.

Glossary

Calcium Channel Blocker
A class of medications that prevents calcium from entering cells of the heart and blood vessel walls to induce relaxation.
Angina
A clinical term for chest pain or discomfort that occurs when the heart muscle does not receive enough oxygen-rich blood.
Atrial Fibrillation
An irregular and often rapid heart rhythm that can lead to blood flow issues within the heart chambers.

Clinical Disclosure

This overview provides general educational information regarding Diltiazem and is not intended as medical guidance or a substitute for expert evaluation. Medications such as Cardizem vary in formulation, strength, and specific usage requirements, which may impact their suitability for different individuals. We disclaim all liability for individual health outcomes resulting from the use of this information. Patients must consult their specific medication labeling and a licensed healthcare professional to address their personal health needs safely.

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