rosuvastatin, Crestor (cont.)
Omudhome Ogbru, PharmD
Omudhome Ogbru, PharmD
Dr. Ogbru received his Doctorate in Pharmacy from the University of the Pacific School of Pharmacy in 1995. He completed a Pharmacy Practice Residency at the University of Arizona/University Medical Center in 1996. He was a Professor of Pharmacy Practice and a Regional Clerkship Coordinator for the University of the Pacific School of Pharmacy from 1996-99.
Medical and Pharmacy Editor:
GENERIC AVAILABLE: No
PREPARATIONS: Tablets: 5, 10, 20, and 40 mg
STORAGE: Rosuvastatin should be stored at room temperature between 2-25 C (36-77 F).
PRESCRIBED FOR: Rosuvastatin is used for the reduction of blood total cholesterol, HDL cholesterol and triglyceride levels, and to increase HDL cholesterol levels. Rosuvastatin also is used for reducing the risk of heart attacks, stroke, and arterial revascularization procedures in patients without clinically evident coronary heart disease but with multiple risk factors for heart disease.
DOSING: The starting dose for most adults is 5 mg once daily. The maximum dose is 40 mg daily, and this dose should be reserved for patients who do not adequately respond to a 20 mg dose.
DRUG INTERACTIONS: When administered with cyclosporine, the blood level of rosuvastatin increases seven fold, and this could increase the side effects of rosuvastatin. Rosuvastatin increases the action of the blood thinner warfarin (Coumadin) and could increase the risk of bleeding from warfarin.
Antacids reduce the absorption of rosuvastatin and should be administered two hours after rosuvastatin.
PREGNANCY: Statins should not be used by pregnant women because there is a high risk of harm to the fetus.
NURSING MOTHERS: There is no information on whether rosuvastatin is excreted in breast milk.
SIDE EFFECTS: The most common side effects of rosuvastatin are headache, nausea, vomiting, diarrhea and muscle pain. The most serious side effects are liver failure, muscle breakdown (rhabdomyolysis) and kidney failure. Sever liver disease of liver failure caused by statins is very rare. More often, statins cause mild abnormalities in liver tests due to injury to the liver. The abnormalities usually disappear with continued therapy, but if the level is over three times the upper limit of normal or baseline, practitioners usually stop the statin. Liver function tests should be performed at the beginning of treatment then as needed thereafter. Rhabdomyolysis is a very rare but serious side effect of statin therapy. When used alone the frequency of rhabdomyolysis due to statins is less than one percent. Rhabdomyolysis is a process in which there is severe injury to muscles leading to severe pain and the release of muscle protein (myoglobin) into the blood. Myoglobin may cause kidney failure. To prevent the occurrence of rhabdomyolysis, patients taking statins who develop unexplained muscle pain, weakness, or tenderness should report the symptoms to their health care professional.
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