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

atorvastatin vs fluvastatin

Side-by-side comparison of atorvastatin and fluvastatin Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.

Drug Class
atorvastatin HMG-CoA Reductase Inhibitor (Statin)
fluvastatin HMG-CoA Reductase Inhibitor (Statin)
Type
atorvastatin Prescription
fluvastatin Prescription
Summary
atorvastatin

Atorvastatin is a drug that lowers cholesterol and reduces the risk of heart problems and stroke. It belongs to a class of drugs called statins.

fluvastatin

Fluvastatin (Lescol) is a medicine that helps lower cholesterol levels in your blood. It belongs to a group of drugs called statins.

What It Treats
atorvastatin

Atorvastatin is used to lower bad cholesterol (LDL) and triglycerides in your blood. It can help prevent heart attacks, strokes, and the need for heart procedures in adults with heart disease or risk factors for it. It is also used in children 10 years and older with certain inherited cholesterol problems.

fluvastatin

This medicine is used to lower high cholesterol and triglycerides (fats) in adults and children (10-16 years old) with certain inherited cholesterol problems. It can also lower the risk of needing procedures to improve blood flow to the heart in adults with heart disease. Fluvastatin can also slow down the hardening of arteries in people with heart disease.

How It Works
atorvastatin

Atorvastatin works by blocking a substance your body needs to make cholesterol. This helps to lower the amount of cholesterol in your blood. Lowering cholesterol can help prevent heart disease.

fluvastatin

Fluvastatin works by blocking a substance your body needs to make cholesterol. This helps to lower bad cholesterol (LDL) and triglycerides while raising good cholesterol (HDL). By lowering cholesterol, it helps prevent heart disease and stroke.

Common Side Effects
atorvastatin
  • Common cold symptoms
  • Joint pain
  • Diarrhea
  • Pain in arms or legs
  • Urinary tract infection
fluvastatin
  • Headache
  • Upset stomach
  • Muscle pain
  • Abdominal pain
  • Nausea
FAERS Reports
atorvastatin
  • Tiredness 13,809
  • The medicine is not working 12,861
  • Feeling sick to your stomach 12,421
  • Type 2 diabetes 11,243
  • Diarrhea 11,034
fluvastatin
  • Muscle pain 669
  • Diarrhea 371
  • Feeling lightheaded 361
  • Shortness of breath 340
  • Feeling sick to your stomach 337
Serious Warnings
atorvastatin

Atorvastatin can cause muscle problems, including muscle pain, tenderness, or weakness. In rare cases, this can lead to serious kidney damage. Tell your doctor right away if you have unexplained muscle pain, tenderness, or weakness, especially if you also have a fever or feel sick. Atorvastatin can also cause liver problems. Your doctor may do blood tests to check your liver before you start taking atorvastatin and while you are taking it.

fluvastatin

This medicine can sometimes cause muscle problems, including rhabdomyolysis (a serious muscle breakdown that can lead to kidney damage). Tell your doctor right away if you have unexplained muscle pain, tenderness, or weakness, especially if you also have a fever or feel sick. This medicine can also cause liver problems. Your doctor should do blood tests to check your liver before you start taking fluvastatin and while you are taking it.

Pregnancy
atorvastatin

Atorvastatin can harm an unborn baby. You should not take atorvastatin if you are pregnant or planning to become pregnant. It is also not recommended to breastfeed while taking atorvastatin.

fluvastatin

You should not take fluvastatin if you are pregnant or breastfeeding. This medicine can harm an unborn baby. If you are a woman who could become pregnant, use effective birth control while taking fluvastatin.

Also Compare — Nearby Drugs

How to Read This atorvastatin vs fluvastatin Comparison

atorvastatin is classified in the HMG-CoA Reductase Inhibitor (Statin) drug class, while fluvastatin sits within the HMG-CoA Reductase Inhibitor (Statin) class. Because both drugs share the same classification, they are often considered interchangeable in theory — but clinical outcomes rarely track that cleanly. 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, atorvastatin has 61,368 submissions while fluvastatin has 2,078. 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 atorvastatin and fluvastatin — 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.