Ezetimibe: How It Lowers Cholesterol, How to Take It, and Side Effects
Updated: 6 days ago
Written and medically reviewed by Dr. Baraa Alnahhal, MD · Last reviewed: October 2026 · How we review
Quick Answer: What is ezetimibe?
Ezetimibe is a prescription tablet that lowers LDL ("bad") cholesterol by reducing how much cholesterol the small intestine absorbs from food. It is taken at the same time every day, with or without food, and is often prescribed for people who cannot take statins or need extra lowering. Report any allergic reaction right away. [1]
What the research says
Adding ezetimibe to a statin lowered heart events after a heart attack or unstable angina. In 18,144 patients followed for a median of 6 years, average LDL was 53.7 mg/dL with simvastatin plus ezetimibe versus 69.5 mg/dL with simvastatin alone, and the 7-year rate of major cardiovascular events was 32.7% versus 34.7% (hazard ratio 0.936). (Cannon et al., N Engl J Med, 2015)
A moderate statin plus ezetimibe worked as well as a high-dose statin, with fewer people stopping treatment. Among 3,780 people with atherosclerotic heart disease, 3-year major events were 9.1% versus 9.9%; LDL below 70 mg/dL at 3 years was reached by 72% versus 58%; and stopping or lowering the dose because of side effects happened in 4.8% versus 8.2%. (Kim et al., Lancet, 2022)
Pooled trials support the combination approach. A network meta-analysis of 38 randomized trials (7,340 people with coronary heart disease) found that a moderate-intensity statin plus ezetimibe lowered LDL about as much as a high-intensity statin plus ezetimibe. (Niu et al., J Clin Lipidol, 2026)
Key takeaways
Ezetimibe lowers LDL cholesterol by blocking cholesterol absorption in the small intestine. [1]
It is usually used with diet and exercise changes, and often for people who cannot take statins or need more lowering than statins give. [1]
Take it at the same time each day; space it 2 hours before or 4 hours after a bile acid sequestrant. [1]
Do not take it with gemfibrozil; use it with fenofibrate only if your doctor advises. [1]
Contact your doctor as soon as possible for rash, hives, or swelling of the face, lips, tongue, or throat. [1]
What is ezetimibe used for?
Ezetimibe is used to treat high cholesterol, especially high levels of low-density lipoprotein (LDL), the "bad" cholesterol. [1]
Lowering LDL is the main goal of treatment. To see how high cholesterol fits into heart health, read our guide to coronary artery disease.
A healthcare provider may prescribe ezetimibe when:
Statins cannot be taken because of side effects or other reasons. [1]
Statins alone do not lower cholesterol enough. [1]
Selected inherited cholesterol conditions, such as familial hypercholesterolemia, need extra treatment — including in some children aged 10 and older. [1]
The common brand name is Zetia. [1]
Ezetimibe at a glance
Feature | Details |
Drug type | Prescription cholesterol-lowering tablet |
Main target | LDL ("bad") cholesterol |
Where it works | Small intestine |
How often | Once daily, at the same time each day |
Food | With or without food |
Common brand | Zetia |
Used with | Diet and exercise changes, often alongside a statin |
How does ezetimibe lower cholesterol?
Ezetimibe lowers cholesterol by reducing the amount of cholesterol your small intestine absorbs from the food you eat. [1]
When less cholesterol is absorbed, less of it ends up in your bloodstream. The result is a lower level of LDL cholesterol. [1]
Ezetimibe is often combined with a statin to lower LDL further — an approach supported by large clinical trials (see the research box above). [2][3]
How should you take ezetimibe?
You take ezetimibe by mouth, at the same time every day, exactly as written on your prescription label. [1]
Simple rules to follow:
With or without food. If it upsets your stomach, take it with a meal. [1]
Keep taking it. Do not stop unless your care team tells you to. [1]
Do not share it. This medicine is prescribed only for you. [1]
Children. It may be prescribed for children as young as 10 for selected conditions, with precautions. Ask your child's care team. [1]
How do you time ezetimibe with a bile acid sequestrant?
If you also take a bile acid sequestrant (another type of cholesterol medicine), take ezetimibe at least 2 hours before or at least 4 hours after it. [1]
If you take… | Timing for ezetimibe |
A bile acid sequestrant | 2 hours before it, or 4 hours after it |
No bile acid sequestrant | Same time every day, as directed |
What should you do if you miss a dose of ezetimibe?
If you miss a dose of ezetimibe, take it as soon as you remember. [1]
If it is almost time for your next dose, skip the missed one and take only the next dose. Never take a double or extra dose. [1]
What should you do if you take too much ezetimibe?
If you think you have taken too much ezetimibe, contact a poison control center or go to the emergency room at once. [1]
What are the side effects of ezetimibe?
The side effects of ezetimibe are usually mild, such as diarrhea or joint pain, but an allergic reaction needs medical attention right away. [1]
Type | Side effects | What to do |
Serious — report as soon as possible | Allergic reaction: skin rash, itching or hives, swelling of the face, lips, tongue, or throat | Contact your doctor as soon as possible |
Usually mild | Diarrhea, joint pain | Tell your doctor if they continue or bother you |
This list may not include every possible side effect. [1] In the United States, side effects can be reported to the FDA at 1-800-FDA-1088. [1]
Can ezetimibe cause muscle problems?
Your care team may tell you to stop ezetimibe if you develop muscle problems. [1]
If muscle pain or weakness does not go away after stopping the medicine, contact your care team. [1] Tell them before starting if you already have muscle cramps, pain, or a muscle injury. [1]
What medicines interact with ezetimibe?
Ezetimibe is not recommended with gemfibrozil, and it is used with fenofibrate only with your doctor's monitoring. [1]
Interaction level | Medicines and products |
Do not take together | Gemfibrozil (fenofibrate only with your doctor's monitoring) |
May interact — tell your care team | Antacids, cyclosporine, herbal products such as red yeast rice, other medicines that lower cholesterol or triglycerides |
This list may not cover every interaction. [1] Give your care team a full list of your prescription and nonprescription medicines, herbs, and supplements. Also tell them if you smoke, drink alcohol, or use illegal drugs. [1]
Who should talk to their doctor before taking ezetimibe?
People with kidney, liver, or thyroid disease, or with muscle pain or injury, should tell their care team before taking ezetimibe. [1]
Also tell your care team if you have:
Kidney disease [1]
Liver disease [1]
Thyroid disease [1]
Muscle cramps, pain, or a muscle injury [1]
Had an unusual or allergic reaction to ezetimibe, other medicines, foods, dyes, or preservatives [1]
A pregnancy, plans to become pregnant, or are breastfeeding [1]
Is ezetimibe safe during pregnancy and breastfeeding?
There is not enough information on ezetimibe in pregnancy, and animal studies did not show serious birth defects, so talk to your care team if you want to become pregnant or think you might be pregnant. [1]
If you are breastfeeding or plan to, speak with your care team first, because your treatment plan may need to change. [1]
What should you watch for while taking ezetimibe?
While taking ezetimibe, visit your care team for regular checks on your progress. [1]
Tell your care team if your condition does not improve or gets worse. [1]
Report any muscle problems. [1]
Remember that the tablet is only one part of a heart-healthy plan. Ask your care team what other changes — such as diet and exercise — can improve your health. [1]
If you have been told you have calcium in your heart arteries, read our guide on coronary artery calcification to understand what it means for your risk.
How should you store ezetimibe?
Store ezetimibe at room temperature, between 15 and 30 °C (59 and 86 °F), and protect it from moisture. [1]
Keep it out of the reach of children and pets. [1]
Throw away any unused tablets after the expiration date. [1]
Conclusion
Ezetimibe is a once-daily tablet that lowers LDL cholesterol by blocking cholesterol absorption in the gut. It is often used when statins are not an option or are not enough on their own, and large trials show that adding it to a statin lowers LDL further and reduces heart events. Take it at the same time each day, keep the right gap from bile acid sequestrants, avoid gemfibrozil unless your doctor advises otherwise, and report any allergic reaction right away.
Have questions about your cholesterol treatment? Bring this guide to your next appointment and ask your doctor whether ezetimibe fits your plan. For more clear, medically reviewed heart health guides, read about how statins relate to glaucoma risk and cholesterol emboli.
For a plain-language drug summary, see this ezetimibe drug information page, and learn more about LDL, the "bad" cholesterol.
FAQ
What is ezetimibe used for?
Ezetimibe is used to treat high cholesterol by lowering LDL ("bad") cholesterol in the blood. It is often prescribed for people who cannot take statins or whose cholesterol is not low enough on statins alone.
How does ezetimibe work?
Ezetimibe works by reducing how much cholesterol the small intestine absorbs from food. Less absorbed cholesterol means lower LDL levels in the blood.
Can I take ezetimibe with or without food?
Yes, ezetimibe can be taken with or without food. If it upsets your stomach, take it with a meal, at the same time every day.
What are the most common side effects of ezetimibe?
The most common side effects of ezetimibe are diarrhea and joint pain. Contact your doctor as soon as possible for signs of an allergic reaction, such as rash, hives, or swelling of the face, lips, tongue, or throat.
Can ezetimibe be taken with a statin?
Yes, ezetimibe is often taken with a statin to lower LDL cholesterol further. Large trials found that adding ezetimibe to a statin lowered LDL more and reduced heart events compared with a statin alone. [2][3]
What medicines should not be taken with ezetimibe?
Ezetimibe is not recommended with gemfibrozil and is used with fenofibrate only under monitoring. Antacids, cyclosporine, red yeast rice, and other cholesterol or triglyceride medicines may also interact, so tell your care team about everything you take.
What happens if I miss a dose of ezetimibe?
If you miss a dose of ezetimibe, take it as soon as you remember. If your next dose is almost due, take only that dose and never double up.
When should I get urgent help while taking ezetimibe?
Contact your doctor as soon as possible if you notice rash, hives, or swelling of the face, lips, tongue, or throat. If you think you have taken too much ezetimibe, contact a poison control center or emergency room at once.
How long does ezetimibe take to work?
Ezetimibe starts lowering LDL cholesterol within a few weeks. Your provider will usually recheck your cholesterol with a blood test to see how well it is working.
Do I still need to watch my diet while taking ezetimibe?
Yes. Ezetimibe works best alongside a heart-healthy diet, regular exercise and other healthy habits. Keep following the plan your care team gave you.
Related Reading
Statins: How They Work, Benefits, Side Effects, and Who Needs Them explains how statins lower cholesterol and their side effects.
High Blood Cholesterol: What Your Numbers Mean, Why It Matters, and How to Lower It explains what high cholesterol means and how to lower it.
Lipid Panel: What It Measures, Normal Cholesterol Levels and How to Prepare explains the cholesterol blood test and how to read results.
Familial Hypercholesterolemia: The Inherited Cholesterol Condition Most People Never Know They Have covers inherited high cholesterol and how it is treated.
References
Cleveland Clinic. Ezetimibe: Uses and Side Effects. Cleveland Clinic. Accessed October 31, 2026. https://my.clevelandclinic.org/health/treatments/ezetimibe-tablets
Cannon CP, Blazing MA, Giugliano RP, et al. Ezetimibe Added to Statin Therapy after Acute Coronary Syndromes. N Engl J Med. 2015;372(25):2387-2397. PMID 26039521. https://doi.org/10.1056/NEJMoa1410489
Kim BK, Hong SJ, Lee YJ, et al. Long-term efficacy and safety of moderate-intensity statin with ezetimibe combination therapy versus high-intensity statin monotherapy in patients with atherosclerotic cardiovascular disease (RACING): a randomised, open-label, non-inferiority trial. Lancet. 2022;400(10349):380-390. PMID 35863366. https://doi.org/10.1016/S0140-6736(22)00916-3
Niu Q, Yao P, Gan L, et al. Comparative efficacy of different statin intensities combined with ezetimibe on lipid profile improvement in patients with coronary heart disease: A network meta-analysis. J Clin Lipidol. 2026;20(9):1751-1766. PMID 42567788. https://doi.org/10.1016/j.jacl.2026.07.017
Medical disclaimer
This article is for general educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always talk to your doctor or pharmacist before starting, stopping, or changing any medicine. If you think you are having a medical emergency, call your local emergency number right away.
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