ezetimibe/simvastatin vs niacin
Side-by-side comparison of ezetimibe/simvastatin and niacin. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
moderate Known Drug Interaction
Niacin Clinical Impact: Cases of myopathy and rhabdomyolysis have been observed with concomitant use of lipid modifying dosages of niacin-containing products (≥1 gram/day niacin) with VYTORIN. In a clinical trial (median follow-up 3.9 years) of patients at high risk of CVD and with well-controlled LDL-C levels on simvastatin 40 mg/day with or without ezetimibe 10 mg/day, there was no incremental benefit on cardiovascular outcomes with the addition of lipid-modifying doses of niacin Intervention: Concomitant use of VYTORIN with lipid-modifying dosages of niacin is not recommended in Chinese...
Recommendation: This combination is generally not recommended, particularly for Chinese patients, due to the risk of muscle problems.
Vytorin
Niaspan, Slo-Niacin
Vytorin is a combination medicine that contains ezetimibe and simvastatin. It helps lower bad cholesterol (LDL-C) in your blood.
This medicine is a multivitamin with fluoride. It helps prevent tooth decay and provides essential vitamins.
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.
This medicine is for children ages 4 and up who don't get enough fluoride in their drinking water. It helps prevent tooth decay. It also gives you ten important vitamins to avoid vitamin deficiencies.
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.
The fluoride in this medicine strengthens your teeth to protect them from decay. The vitamins help your body work properly and stay healthy.
- • Headache
- • Increased liver enzyme (ALT)
- • Muscle pain
- • Upper respiratory tract infection
- • Diarrhea
No common side effects listed.
- Feeling sick to your stomach 1,008
- Feeling tired 771
- Feeling lightheaded 731
- General pain 702
- Muscle pain 669
- Feeling tired 749
- Feeling sick to your stomach 671
- Loose stools 630
- Feeling lightheaded 546
- Difficulty breathing 529
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.
There are no serious warnings listed for this medication.
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.
This medication is for children. Consult a doctor for information about vitamin and fluoride supplements during pregnancy or breastfeeding.
How to Read This ezetimibe/simvastatin vs niacin Comparison
ezetimibe/simvastatin is classified in the Cholesterol Absorption Inhibitor / Statin Combination drug class, while niacin sits within the Vitamin B3 (Lipid-Modifying) class. Drugs from different classes work through distinct mechanisms, so a head-to-head comparison illustrates trade-offs rather than equivalence. Both drugs are split between OTC and prescription status, which affects access and supervision.
Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, ezetimibe/simvastatin has 3,881 submissions while niacin has 3,125. 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 moderate interaction flagged in FDA labeling, attributed to taking high doses of niacin with this drug increases the risk of muscle damage and may not provide extra heart benefits.. 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 ezetimibe/simvastatin and niacin - 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.