PlainMeds provides educational information only. This is not medical advice. Always consult your doctor or pharmacist.

alirocumab vs ezetimibe/simvastatin

Side-by-side comparison of alirocumab 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.

Drug Class
alirocumab PCSK9 Inhibitor
ezetimibe/simvastatin Cholesterol Absorption Inhibitor / Statin Combination
Type
alirocumab Prescription
ezetimibe/simvastatin Prescription
Summary
alirocumab

Praluent is a medicine that can lower cholesterol. It can also lower the risk of heart problems like heart attack or stroke in some adults.

ezetimibe/simvastatin

Vytorin is a combination medicine that contains ezetimibe and simvastatin. It helps lower bad cholesterol (LDL-C) in your blood.

What It Treats
alirocumab

Praluent is used to lower LDL cholesterol (bad cholesterol). It is used along with diet and exercise in adults with high cholesterol. It is also used in adults and children 8 years and older who have a genetic condition that causes high cholesterol.

ezetimibe/simvastatin

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.

How It Works
alirocumab

Praluent is a PCSK9 inhibitor. It works by blocking a protein in your body called PCSK9. Blocking this protein helps your body remove LDL cholesterol from your blood.

ezetimibe/simvastatin

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.

Common Side Effects
alirocumab
  • Injection site reactions (redness, itching, swelling, pain)
  • Flu
  • Muscle pain
  • Diarrhea
ezetimibe/simvastatin
  • Headache
  • Increased liver enzyme (ALT)
  • Muscle pain
  • Upper respiratory tract infection
  • Diarrhea
FAERS Reports
alirocumab
  • Muscle pain 1,655
  • Missed dose 1,364
  • Pain at injection site 1,278
  • Muscle spasms 1,162
  • Joint pain 1,053
ezetimibe/simvastatin
  • Feeling sick to your stomach 1,008
  • Medicine not working 818
  • Feeling tired 771
  • Feeling lightheaded 731
  • General pain 702
Serious Warnings
alirocumab

Serious allergic reactions have happened with Praluent, sometimes requiring hospitalization. If you have signs of a serious allergic reaction, stop using Praluent and get medical help right away.

ezetimibe/simvastatin

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.

Pregnancy
alirocumab

There is not enough information about Praluent use during pregnancy to know if it is safe. If you are pregnant or plan to become pregnant, talk to your doctor before using Praluent.

ezetimibe/simvastatin

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.

Also Compare — Nearby Drugs

Compare alirocumab with

How to Read This alirocumab vs ezetimibe/simvastatin Comparison

alirocumab is classified in the PCSK9 Inhibitor 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, alirocumab has 6,512 submissions while ezetimibe/simvastatin has 4,030. Those figures reflect cumulative reporting volume — not per-patient risk — so older, widely dispensed drugs typically look worse on count alone. No direct interaction between these two drugs is listed in our FDA-derived dataset, though co-prescription still warrants pharmacist review. 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 alirocumab 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.