In June 2011, the FDA issued a warning
to doctors about potential side effects of Zocor when used at high doses (80 mg),
saying that the cholesterol drug may increase the risk of Zocor muscle injury or myopathy. The warning came after more than a year of FDA experts reviewing
clinical trials on Zocor and other drugs containing simvastatin, which had been
available to the manufacturers for some time. The FDA
warns that the 80 mg dose of Zocor carries an increased risk of muscle injury,
