Inflammation of the muscles caused by statins can lead to a serious breakdown of muscle cells called rhabdomyolysis. Rhabdomyolysis causes the release of muscle protein (myoglobin) into the blood. Myoglobin can cause kidney failure and even death. When used alone, statins cause rhabdomyolysis in less than one percent of patients. To prevent the development of rhabdomyolysis, patients taking lovastatin should contact their health care professional immediately if they develop unexplained muscle pain, weakness, or muscle tenderness.
Statins have been associated with increases in HbA1c and fasting serum glucose levels as are seen in diabetes.
There are also post-marketing reports of memory loss, forgetfulness, amnesia, confusion, and memory impairment. Symptoms may start 1 day to years after starting treatment and resolve within a median of 3 weeks after stopping the statin.
GENERIC AVAILABLE: No
PREPARATIONS: Tablets (niacin/lovastatin): 500/20, 750/20, 1000/20, 1000/40 mg
STORAGE: Advicor should be stored at room temperature, between 20 C - 25 C (68 F - 77 F).
DOSING: The recommended starting dose for Advicor is one tablet (500/20 mg). Doses can be increased by 500 mg of niacin every 4 weeks based on the response of the blood cholesterol level. Doses greater than 2000/40 mg are not recommended. Individuals already stabilized on niacin extended-release tablets can be directly switched to the niacin equivalent dose of Advicor. Individuals taking extended-release niacin and lovastatin separately can be switched to an equivalent dose of Advicor.
Other forms of niacin (for example, sustained-release, timed-release or immediate-release) are not equivalent to extended-release niacin in Advicor. Therefore, Advicor is not interchangeable with these niacin preparations, and patients taking these preparations should be switched and stabilized on extended-release niacin before switching to Advicor.
Advicor should be administered at bedtime with a low fat snack. Since there is evidence that at least some drugs in the same class as lovastatin lower cholesterol more when taken at night than in the morning. If Advicor is discontinued for longer than 7 days, therapy should be resumed at the lowest dose.
DRUG INTERACTIONS: Decreased elimination of lovastatin could increase the levels of lovastatin in the body and increase the risk of muscle toxicity from lovastatin. Examples of drugs that decrease elimination of lovastatin include erythromycin (E-Mycin), ketoconazole (Nizoral), itraconazole (Sporanox), clarithromycin (Biaxin), telithromycin (Ketek), cyclosporine (Sandimmune), nefazodone (Serzone), boceprevir (Victrelis), telaprevir (incivek), voriconazole (Vfend), and protease inhibitors such as indinavir (Crixivan) and ritonavir (Norvir). They should not be combined with lovastatin.
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