Simvastatin, marketed under the trade name Zocor among others, is a lipid-lowering medication. It is used along with exercise, diet, and weight loss to decrease elevated lipid levels. It is also used to decrease the risk of heart problems in those at high risk. It is taken by mouth. Zocor (simvastatin) is a drug prescribed to reduce triglycerides, total cholesterol (LDL), and increasing HDL cholesterol. Common side effects of Zocor include diarrhea, vomiting, headache, and abdominal pain. Zocor belongs to the drug class of Statins. Uses and dosage information are provided. Simvastatin is a simple statin and is very safe. Your doctor would not put you on it for low HDL (good cholesterol) as it does not increase HDL, it lowers LDL or bad cholesterol. Simvastatin is a type of drug called a statin, which is a group of drugs that all work in a similar way to control the level of cholesterol in your blood. Simvastatin belongs to a group of medicines called statins. It's used to lower cholesterol if you've been diagnosed with high blood cholesterol. Efficacy and Safety of Rosuvastatin Compared With Pravastatin and Simvastatin in Patients With Hypercholesterolemia: A Randomized, Double-Blind, 52-Week Trial Pravastatin is in a group of drugs called HMG CoA reductase inhibitors, or statins. It reduces levels of bad cholesterol (low-density lipoprotein, or LDL) and triglycerides in the blood, while increasing levels of good cholesterol (high-density lipoprotein, or HDL). For the treatment of hypercholesterolemia, including hyperlipidemia, hyperlipoproteinemia, or hypertriglyceridemia, as an adjunct to dietary control. Detailed Simvastatin dosage information for adults and children. Includes dosages for Prevention of Cardiovascular Disease, Cardiovascular Risk Reduction, Heterozygous Familial Hypercholesterolemia and more; plus renal, liver and dialysis adjustments. 10 mg PO once daily in the evening. The recommended dosage range is 10 to 40 mg/day PO. Doses more than 40 mg/day PO have not been studied. Females should be at least 1 year post menarche.