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Cardizem (Diltiazem)

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Top Generic choice

What is Generic?

What is a Generic Drug?

A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.

The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (eg. different shape or color), as trademarks laws prevent a generic from looking exactly like the brand-name drug.

Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.


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Cardizem is a hypertension treatment medication available by prescription, used to lower blood pressure levels so that patients are less at risk for major health risks associated with untreated hypertension. Diltiazem, a calcium-channel blocker, slows heart rate and relaxes blood vessels simultaneously, reducing blood pressure. Cardizem may also be used to treat chronic angina and is effective for this condition based on the same mechanism. Buy Cardizem from Canada and Canpharm to get the best price on it.

What is Hypertension?

Hypertension, the clinical term for high blood pressure, is defined when a person has continued blood pressure readings of a systolic pressure of 130 mm Hg or higher, or a diastolic pressure of 80 mm Hg or higher. There are Stage 1 and Stage 2 hypertension diagnoses, as well as hypertensive crisis, when a person's blood pressure is so high that they need immediate medical attention. Untreated hypertension can lead to stroke, heart failure, kidney damage, vision loss, erectile dysfunction, and memory loss. Excess dietary sodium is a major contributor to worsening hypertension in adults.

Fact Table
Formula C22H26N2O4S
License US DailyMed
Bioavailability 40%
Legal status Rx-Only
Chemical Name Diltiazem
Elimination half-life 3–4.5 hours
Dosage (Strength) 30mg, 60mg, 90mg, 120mg
Pregnancy Consult Doctor
Brands Cardizem
Protein binding 70-80%
PubChem CID 39186
MedlinePlus a684027
ChEBI 101278
ATC code C05AE03
DrugBank DB00343
KEGG D07845
Routes of administration By mouth

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The standard Cardizem dosage is to take 1 tablet 3-4 times a day before meals and at bedtime. Dosage may vary, and you should always take your medication exactly as indicated in your prescription.


The active ingredient in Cardizem is Diltiazem.


Let your doctor know of any history of liver or kidney disease, heart failure, atrioventricular block, or sick sinus syndrome before starting on Cardizem.

Use of this medication may make you dizzy.

Let your doctor know if you have any major surgery scheduled in the near future before starting this medication.

Older adults may be more susceptible to Cardizem's side effects.

Women who are pregnant or breastfeeding should not take Cardizem unless their doctor approves it.


Negative drug interactions may occur between Cardizem and other prescription medications, including albuterol, lorazepam, atorvastatin, warfarin, digoxin, apixaban, furosemide, gabapentin, hydrochlorothiazide, levothyroxine, lisinopril, losartan, metformin, metoprolol, omeprazole, clopidogrel, prednisone, pantoprazole, montelukast, tramadol, alprazolam, and rivaroxaban. Let your doctor know of all medications you are currently taking before getting a prescription and proceeding to buy Cardizem online.

Side Effects

Cardizem side effects may occur, and some users may experience dizziness, lightheadedness, weakness, nausea, constipation, or headache. If side effects are experienced, you may want to stop use and consult with a doctor again to discuss high blood pressure treatment medication alternatives.

Frequently Asked Questions about Cardizem (Diltiazem)

What is Cardizem (Diltiazem) used for?

Cardizem, containing Diltiazem, is primarily used to treat high blood pressure (hypertension) and to prevent chest pain (angina). It may also be used to improve heart function in certain conditions.

How does Cardizem work in the body?

Diltiazem works by relaxing the muscles of your heart and blood vessels. It does this by inhibiting the influx of calcium ions into cardiac and vascular smooth muscle, leading to a decrease in blood pressure and reduced heart workload.

What are the common side effects of Cardizem?

Common side effects include dizziness, headache, flushing, and weakness. Some people may experience swelling of the ankles or feet, slow heartbeats, or symptoms of heart failure like shortness of breath.

How should Cardizem be taken?

Cardizem should be taken according to your doctor's instructions, usually before meals and at bedtime. The dosage depends on your medical condition and response to treatment. Do not crush or chew extended-release tablets.

Can Cardizem interact with other medications?

Yes, Cardizem can interact with other medications, including certain beta blockers, digoxin, and other drugs affecting heart rhythm. Inform your doctor about all medications and supplements you are taking.

Is Cardizem safe during pregnancy or breastfeeding?

The safety of Cardizem during pregnancy or breastfeeding is not fully established. It should be used only if clearly needed and after consulting with a healthcare provider.

Are there any dietary restrictions while taking Cardizem?

Avoid consuming grapefruit or grapefruit juice while taking Cardizem, as it can increase the levels of diltiazem in your blood, leading to increased side effects.

What should I do if I miss a dose of Cardizem?

If you miss a dose, take it as soon as you remember. If it's close to the time of your next dose, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up.

How should Cardizem be stored?

Store Cardizem at room temperature away from light and moisture. Do not store in the bathroom, and keep it away from children and pets.

What precautions should be taken while using Cardizem?

Inform your doctor if you have a history of certain heart conditions, liver disease, or kidney disease. Avoid driving or operating machinery if you feel drowsy or dizzy while taking Cardizem. Regular monitoring of blood pressure and heart function may be required.

IMPORTANT NOTE: The above information is intended to increase awareness of health information and does not suggest treatment or diagnosis. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.