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Can you take Crestor® with Lipitor®?

Evidence-based interaction check between Crestor® and Lipitor®

MajorEditorially reviewed · last updated April 15, 2025

High risk — avoid this combination unless there is no good alternative.

Higher rates of myopathy (muscle pain, weakness), elevated liver enzymes, and rare but serious rhabdomyolysis (which can cause kidney failure). No therapeutic gain to justify the added risk.

Why this happens (mechanism)

Atorvastatin (Lipitor) and rosuvastatin (Crestor) are both HMG-CoA reductase inhibitors — they share an identical mechanism. Combining them gives essentially no extra LDL lowering but doubles exposure to muscle and liver toxicity.

What to monitor

  • Unexplained muscle pain, tenderness, or weakness — especially proximal (thighs, shoulders)
  • Dark, cola-colored urine (sign of rhabdomyolysis)
  • ALT/AST liver enzymes
  • Creatine kinase (CK) if muscle symptoms appear

Dose adjustment

Do not combine. Choose the higher-potency single statin titrated to LDL goal. If maximally-tolerated statin monotherapy is insufficient, add a non-statin (ezetimibe or a PCSK9 inhibitor) instead.

Safer alternatives to consider

Higher-dose monotherapy of one statin

Doubling the dose of a single statin lowers LDL by another ~6%; safer than dual statin therapy.

Ezetimibe (Zetia) added to a statin

Different mechanism — blocks cholesterol absorption — adds LDL lowering without overlapping toxicity.

PCSK9 inhibitor (evolocumab, alirocumab)

Powerful LDL lowering for high-risk patients who can't tolerate statin escalation.

Always discuss alternatives with your prescriber before making any change. The right choice depends on your other medications, conditions, and what is working for you today.

Evidence and sources

Check another pair

No known interactions found

No documented interactions between Crestor® and Lipitor® in our database.

Always consult your healthcare provider - this tool does not replace medical advice.

What this means

This summary is based on published interaction data from FDA prescribing information and clinical literature. It does not account for individual health factors, dosages, or other medications you may be taking. Always consult a qualified healthcare provider before making changes to your medication regimen.

Frequently Asked Questions

Is it safe to take Crestor® with Lipitor®?

High risk — avoid this combination unless there is no good alternative. Higher rates of myopathy (muscle pain, weakness), elevated liver enzymes, and rare but serious rhabdomyolysis (which can cause kidney failure). No therapeutic gain to justify the added risk. Always discuss your full medication list with your prescriber.

What happens if you take Crestor® and Lipitor® together?

Atorvastatin (Lipitor) and rosuvastatin (Crestor) are both HMG-CoA reductase inhibitors — they share an identical mechanism. Combining them gives essentially no extra LDL lowering but doubles exposure to muscle and liver toxicity.

What should I monitor if I take both?

Unexplained muscle pain, tenderness, or weakness — especially proximal (thighs, shoulders). Dark, cola-colored urine (sign of rhabdomyolysis). ALT/AST liver enzymes. Creatine kinase (CK) if muscle symptoms appear.