Rosuvastatin + Trimethoprim-Sulfamethoxazole

SAFE — No Known Interaction

🟢 SAFE — Rosuvastatin and Trimethoprim-Sulfamethoxazole can be taken together safely.

Evidence level: STRONG

What this interaction means

Rosuvastatin and Trimethoprim-Sulfamethoxazole are safe to take together based on current evidence. No adverse interactions reported.

How it works (mechanism)

No clinically significant interaction between Rosuvastatin and Trimethoprim-Sulfamethoxazole has been identified in medical literature.

Practical advice

No documented interaction between Rosuvastatin and Trimethoprim-Sulfamethoxazole. These are commonly prescribed together without issues. Your pharmacist reviews your full medication list for interactions with every new prescription.

Timing

Some antibiotics (erythromycin, clarithromycin) strongly inhibit CYP3A4 and can dramatically increase statin levels, raising rhabdomyolysis risk. Take Rosuvastatin in the evening as usual. Your prescriber may temporarily pause or reduce the statin during short antibiotic courses.

Risk factors

Higher risk for: those with liver impairment, genetic CYP enzyme variations (poor or ultra-rapid metabolizers), elderly, those on multiple CYP3A4 inhibitors, high-dose statin therapy, or history of myopathy.

Symptoms to watch for

Monitor for muscle and liver effects when combining Rosuvastatin with Trimethoprim-Sulfamethoxazole. Watch for: unexplained muscle pain, tenderness, or weakness (especially if accompanied by fever or fatigue), dark-colored urine, yellowing of skin or eyes, or upper abdominal pain. Some drug combinations increase statin blood levels and raise the risk of rhabdomyolysis. When to seek emergency help: Severe muscle pain with weakness, dark brown urine, fever, confusion, rapid heartbeat, or signs of kidney failure (very little or no urination). Report any new muscle symptoms to your prescriber immediately.

What to tell your doctor

No urgent need to discuss, but always keep your doctor informed of your full supplement and medication list. An up-to-date list helps them make the best treatment decisions.

Safer alternatives

These medications are safe to take together at standard doses. Continue taking as prescribed and keep your pharmacist informed of your complete medication list.

Frequently asked questions

Can I take Rosuvastatin and Trimethoprim-Sulfamethoxazole together?

Rosuvastatin and Trimethoprim-Sulfamethoxazole are safe to take together based on current evidence. No adverse interactions reported.

When should I take Rosuvastatin vs Trimethoprim-Sulfamethoxazole?

Some antibiotics (erythromycin, clarithromycin) strongly inhibit CYP3A4 and can dramatically increase statin levels, raising rhabdomyolysis risk. Take Rosuvastatin in the evening as usual. Your prescriber may temporarily pause or reduce the statin during short antibiotic courses.

What symptoms should I watch for if I combine Rosuvastatin and Trimethoprim-Sulfamethoxazole?

Monitor for muscle and liver effects when combining Rosuvastatin with Trimethoprim-Sulfamethoxazole. Watch for: unexplained muscle pain, tenderness, or weakness (especially if accompanied by fever or fatigue), dark-colored urine, yellowing of skin or eyes, or upper abdominal pain. Some drug combinations increase statin blood levels and raise the risk of rhabdomyolysis. When to seek emergency help: Severe muscle pain with weakness, dark brown urine, fever, confusion, rapid heartbeat, or signs of kidney failure (very little or no urination). Report any new muscle symptoms to your prescriber immediately.

Are there safer alternatives to combining Rosuvastatin with Trimethoprim-Sulfamethoxazole?

These medications are safe to take together at standard doses. Continue taking as prescribed and keep your pharmacist informed of your complete medication list.

What should I tell my doctor about taking Rosuvastatin and Trimethoprim-Sulfamethoxazole?

No urgent need to discuss, but always keep your doctor informed of your full supplement and medication list. An up-to-date list helps them make the best treatment decisions.

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