diltiazem vs ezetimibe/simvastatin
Side-by-side comparison of diltiazem and ezetimibe/simvastatin. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
major Known Drug Interaction
Intervention: For patients taking verapamil, diltiazem, or dronedarone, do not exceed VYTORIN 10/10 mg daily.
Recommendation: Do not take more than 10/10 mg of VYTORIN daily if you are also taking diltiazem.
Cardizem, Tiazac
Vytorin
Diltiazem is a medicine that helps lower high blood pressure and prevent chest pain. It belongs to a class of drugs called calcium channel blockers.
Vytorin is a combination medicine that contains ezetimibe and simvastatin. It helps lower bad cholesterol (LDL-C) in your blood.
Diltiazem is used to treat high blood pressure. It can be used alone or with other blood pressure medicines. Diltiazem also helps manage chronic stable angina (chest pain) and angina caused by spasms in the heart's blood vessels.
Vytorin is used along with a healthy diet to lower high LDL cholesterol. It is used in adults with primary hyperlipidemia and in adults and children 10 years and older with heterozygous familial hypercholesterolemia (HeFH). Vytorin can also be used with other cholesterol-lowering treatments for adults with homozygous familial hypercholesterolemia (HoFH). Simvastatin, one of the drugs in Vytorin, can also lower the risk of heart problems like heart attack and stroke in adults with heart disease, blood vessel disease, or diabetes.
Diltiazem works by relaxing blood vessels, which lowers blood pressure. It also reduces the heart's workload, which can prevent chest pain. This medicine blocks calcium from entering heart and blood vessel cells.
Ezetimibe reduces the amount of cholesterol your body absorbs from food. Simvastatin belongs to a class of drugs called statins. Statins lower cholesterol by blocking a substance your body needs to make cholesterol.
- • Swelling in your ankles or feet
- • Headache
- • Dizziness
- • Slow heart rate
- • Constipation
- • Headache
- • Increased liver enzyme (ALT)
- • Muscle pain
- • Upper respiratory tract infection
- • Diarrhea
- Shortness of breath 3,200
- Tiredness 2,637
- Feeling sick to your stomach 2,372
- Discomfort 2,364
- Feeling lightheaded 2,089
- Feeling sick to your stomach 1,008
- Feeling tired 771
- Feeling lightheaded 731
- General pain 702
- Muscle pain 669
Diltiazem can interact with other heart medications. Tell your doctor if you take beta-blockers or digoxin. Using diltiazem with these drugs can cause heart problems. Your doctor may need to adjust your dosages.
Vytorin can cause muscle problems, including myopathy and rhabdomyolysis. Tell your doctor right away if you have unexplained muscle pain, tenderness, or weakness, especially if you also have a fever or feel sick. Vytorin can also cause liver problems. Your doctor may do blood tests to check your liver before you start taking Vytorin and while you take it.
Tell your doctor if you are pregnant, plan to become pregnant, or are breastfeeding. It is not known if diltiazem will harm your unborn baby. Diltiazem passes into breast milk, so talk to your doctor about breastfeeding while taking this medicine.
Do not take Vytorin if you are pregnant. It can harm your unborn baby. Talk to your doctor if you are breastfeeding or plan to breastfeed, as it is not recommended during treatment with Vytorin.
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How to Read This diltiazem vs ezetimibe/simvastatin Comparison
diltiazem is classified in the Calcium Channel Blocker drug class, while ezetimibe/simvastatin sits within the Cholesterol Absorption Inhibitor / Statin Combination class. Drugs from different classes work through distinct mechanisms, so a head-to-head comparison illustrates trade-offs rather than equivalence. Both drugs are prescription-only, so a licensed provider must authorize use.
Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, diltiazem has 12,662 submissions while ezetimibe/simvastatin has 3,881. Those figures reflect cumulative reporting volume, not per-patient risk, so older, widely dispensed drugs typically look worse on count alone. These two drugs have a known major interaction flagged in FDA labeling, attributed to diltiazem slows down the breakdown of simvastatin in your body, which can lead to higher levels of the drug in your blood. this increases the risk of serious muscle damage.. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.
A table cannot substitute for clinical judgment. Effectiveness, tolerability, drug-drug interactions with your other medications, kidney and liver function, pregnancy status, insurance formulary, and price all feed into a decision that only a licensed prescriber can make responsibly. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This page is for educational purposes only, is not medical advice, and should not be used to self-switch between diltiazem and ezetimibe/simvastatin - always consult your physician or pharmacist first.
Important: This comparison is for informational purposes only. Drug effects vary between individuals. Always consult your doctor or pharmacist for personalized medical advice.