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

ezetimibe vs niacin

Side-by-side comparison of ezetimibe 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 ezetimibe and simvastatin. 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 ezetimibe and simvastatin with lipid-modifying dosages of...

Recommendation: Your doctor will decide if you need both medications based on your risk of muscle injury. Be sure to tell your healthcare provider if you experience any muscle pain or weakness.

Drug Class
ezetimibe Cholesterol Absorption Inhibitor
niacin Vitamin B3 (Lipid-Modifying)
Type
ezetimibe Prescription
niacin Over-the-Counter
Summary
ezetimibe

No summary available.

niacin

This medicine is a multivitamin with fluoride. It helps prevent tooth decay and provides essential vitamins.

What It Treats
ezetimibe

Information not available.

niacin

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.

How It Works
ezetimibe

Information not available.

niacin

The fluoride in this medicine strengthens your teeth to protect them from decay. The vitamins help your body work properly and stay healthy.

Common Side Effects
ezetimibe
  • Headache
  • Upper respiratory tract infection
  • Muscle pain
  • Diarrhea
niacin

No common side effects listed.

FAERS Reports
ezetimibe
  • Tiredness 4,662
  • Feeling sick to your stomach 4,195
  • Muscle pain 4,191
  • Diarrhea 3,661
  • Feeling lightheaded 3,337
niacin
  • Feeling tired 749
  • Feeling sick to your stomach 671
  • Loose stools 630
  • Feeling lightheaded 546
  • Difficulty breathing 529
Serious Warnings
ezetimibe

No specific warnings noted.

niacin

There are no serious warnings listed for this medication.

Pregnancy
ezetimibe

No pregnancy information available.

niacin

This medication is for children. Consult a doctor for information about vitamin and fluoride supplements during pregnancy or breastfeeding.

How to Read This ezetimibe vs niacin Comparison

ezetimibe is classified in the Cholesterol Absorption Inhibitor 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 has 20,046 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 combining these drugs increases the chance of developing serious muscle problems. research also shows that adding niacin to this treatment might not provide extra heart health benefits for some patients.. 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 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.