Crestor with statins (atorvastatin, rosuvastatin, simvastatin)
Statins are among the most widely prescribed chronic medications, often used alongside many other agents including Crestor (Rosuvastatin). The combination at 5mg, 10mg, 20mg, 40mg is generally safe, but a small number of statin-specific interactions matter — particularly for simvastatin, which shares CYP3A4 metabolism with several common medications.
How Crestor interacts with statins
Statins differ in their metabolic pathways: simvastatin and atorvastatin go through CYP3A4 most heavily; rosuvastatin and pravastatin take other routes and have fewer drug interactions. If Rosuvastatin acts on CYP3A4, the combination with simvastatin or atorvastatin can raise statin levels and increase muscle-related side effects. Rosuvastatin competitively inhibits HMG-CoA reductase, the rate-limiting enzyme in hepatic cholesterol synthesis.
Practical guidance
According to the prescribing information for Rosuvastatin, anyone on a statin should mention it before starting Crestor at 5mg, 10mg, 20mg, 40mg. The prescriber may switch the statin (e.g. from simvastatin to rosuvastatin) or adjust the statin dose during Crestor use. Persistent muscle pain, weakness or dark urine on the combination warrants prompt evaluation.
Frequently asked questions
Can I take Crestor with my statin? ▾
For most users at 5mg, 10mg, 20mg, 40mg, yes — particularly with rosuvastatin or pravastatin which have minimal interactions with Rosuvastatin. Simvastatin and atorvastatin combinations may need a dose review by the prescriber to avoid amplified statin effects.
Will Crestor cause muscle pain with my statin? ▾
Muscle pain is the most common statin side effect and can be amplified when combined with medications that raise statin plasma levels. Persistent or new muscle pain on Crestor at 5mg, 10mg, 20mg, 40mg should be reported promptly so the prescriber can review the combination.
More on Crestor
- With alcoholCrestor and alcohol — is it safe to drink?
- With foodShould Crestor be taken with food?
- Side effectsCrestor side effects: common, rare and warning signs
- Dosage guideCrestor dosage guide: how much to take and when
- OnsetHow fast does Crestor start working?
- DurationHow long does Crestor last?
The information on this website is provided for reference and educational purposes only. It does not replace consultation with a qualified healthcare professional.