Rosuvastatin Drug Profile

What is Rosuvastatin?

Rosuvastatin is a prescription medication that belongs to a class of drugs called statins, specifically known as HMG-CoA reductase inhibitors. It is primarily used to lower cholesterol levels and reduce the risk of cardiovascular disease in patients with elevated cholesterol or other heart disease risk factors. Rosuvastatin is considered one of the most potent statins available and is often prescribed when aggressive cholesterol reduction is needed.

Uses

• High cholesterol (hypercholesterolemia): Reduces LDL “bad” cholesterol and total cholesterol levels in patients with primary hypercholesterolemia
• Mixed dyslipidemia: Treats patients with multiple lipid abnormalities, including high triglycerides and low HDL “good” cholesterol
• Primary prevention of cardiovascular disease: Reduces heart attack and stroke risk in patients without existing heart disease but with multiple risk factors
• Familial hypercholesterolemia: Treats inherited conditions causing extremely high cholesterol levels, including homozygous familial hypercholesterolemia
• Slowing atherosclerosis progression: Helps slow the buildup of plaque in arteries when used as part of comprehensive cardiovascular risk management

How it works

Rosuvastatin works by blocking HMG-CoA reductase, an enzyme that plays a crucial role in cholesterol production in the liver. By inhibiting this enzyme, the medication reduces the liver’s ability to manufacture cholesterol, which forces the liver to remove more cholesterol from the bloodstream. This dual action results in significantly lower blood cholesterol levels and improved cholesterol particle profiles.

Side effects

Common side effects:

• Headache
• Muscle aches and pain
• Abdominal pain
• Weakness and fatigue
• Nausea
• Dizziness
• Constipation
• Elevated blood sugar levels

Serious side effects requiring immediate medical attention:

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• Severe muscle pain, tenderness, or weakness (potential rhabdomyolysis)
• Dark-colored urine or decreased urination
• Yellowing of skin or eyes (signs of liver problems)
• Severe abdominal pain
• Unexplained fatigue or fever

Warnings and precautions

• Liver disease: Patients with active liver disease or unexplained elevated liver enzymes should not take rosuvastatin; regular liver function monitoring may be required
• Pregnancy and breastfeeding: Contraindicated during pregnancy and breastfeeding as it may harm fetal development and can pass into breast milk
• Kidney impairment: Dose adjustments necessary for patients with severe kidney disease; regular monitoring of kidney function recommended
• Muscle disorders: Use with caution in patients with history of muscle problems or those at increased risk for muscle toxicity
• Diabetes risk: May increase blood glucose levels and risk of developing type 2 diabetes, particularly in predisposed patients

Interactions

• Warfarin: May enhance anticoagulant effects, requiring more frequent INR monitoring and potential dose adjustments
• Cyclosporine: Significantly increases rosuvastatin levels, requiring substantial dose reductions or alternative therapy
• Gemfibrozil: Increases risk of muscle toxicity and rhabdomyolysis when combined with rosuvastatin
• Antacids containing aluminum or magnesium: Reduce rosuvastatin absorption; take rosuvastatin at least 2 hours before antacids
• Certain HIV protease inhibitors: May increase rosuvastatin concentrations and toxicity risk
• Red yeast rice supplements: Contains natural statins that can increase risk of muscle problems when combined
• Niacin (high doses): May increase risk of muscle toxicity when used together
• Fenofibrate: Combination may increase muscle-related side effects, requires careful monitoring

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Dosage

Typical adult dosages range from 5 mg to 40 mg taken once daily, usually in the evening. Most patients start with 10-20 mg daily, with the dose adjusted based on cholesterol response and tolerance. Patients with severe kidney disease or those taking certain interacting medications may require lower starting doses of 5 mg daily. The maximum recommended dose is 40 mg daily, reserved for patients who have not achieved target cholesterol levels on lower doses. Dosage should always be individualized and determined by a healthcare provider based on patient-specific factors including baseline cholesterol levels, cardiovascular risk, and response to treatment.

Sources: FDA DailyMed drug labels (public domain), BNF, WHO Essential Medicines List. This article is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before starting or stopping any medication.

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