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atorvastatin vs pravastatin

Side-by-side comparison of atorvastatin and pravastatin 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)
pravastatin HMG-CoA Reductase Inhibitor (Statin)
Type
atorvastatin Prescription
pravastatin 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.

pravastatin

Pravastatin is a drug that lowers cholesterol. It belongs to a class 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.

pravastatin

Pravastatin helps lower bad cholesterol and fats (like triglycerides) in your blood, while raising good cholesterol. It can help prevent heart attacks, strokes, and the need for procedures to open blocked arteries. It is used along with a healthy diet to treat high cholesterol and other fat disorders in adults and children 8 years and older.

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.

pravastatin

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

Common Side Effects
atorvastatin
  • Common cold symptoms
  • Joint pain
  • Diarrhea
  • Pain in arms or legs
  • Urinary tract infection
pravastatin
  • Muscle pain
  • Nausea
  • Vomiting
  • Diarrhea
  • Headache
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
pravastatin
  • Tiredness 1,261
  • Diarrhea 1,095
  • Feeling sick to your stomach 954
  • Shortness of breath 928
  • Headache 842
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.

pravastatin

Pravastatin can sometimes cause muscle problems, including muscle pain, tenderness, or weakness. In rare cases, this can lead to serious muscle damage called rhabdomyolysis, which can cause kidney failure. 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 pravastatin and if you have any symptoms of liver problems.

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.

pravastatin

You should not take pravastatin if you are pregnant. It can harm your unborn baby. If you become pregnant while taking pravastatin, stop taking it right away and tell your doctor.

Also Compare — Nearby Drugs

How to Read This atorvastatin vs pravastatin Comparison

atorvastatin is classified in the HMG-CoA Reductase Inhibitor (Statin) drug class, while pravastatin 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 pravastatin has 5,080. 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 pravastatin — 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.