Lifestyle changes such as exercising and eating a healthy diet are the first line of defense against high cholesterol. But, if you've made these important lifestyle changes and your total cholesterol — and particularly your LDL cholesterol — remains high, your doctor may recommend medication.
The specific choice of medication or combination of medications depends on various factors, including your individual risk factors, your age, your current health and possible side effects. Common choices include:
- Statins. Statins — among the most commonly prescribed medications for lowering cholesterol — block a substance your liver needs to make cholesterol. This causes your liver to remove cholesterol from your blood. Statins may also help your body reabsorb cholesterol from built-up deposits on your artery walls, potentially reversing coronary artery disease. Choices include atorvastatin (Lipitor), fluvastatin (Lescol), lovastatin (Altoprev, Mevacor), pravastatin (Pravachol), rosuvastatin (Crestor) and simvastatin (Zocor).
- Bile-acid-binding resins. Your liver uses cholesterol to make bile acids, a substance needed for digestion. The medications cholestyramine (Prevalite), colesevelam (Welchol) and colestipol (Colestid) lower cholesterol indirectly by binding to bile acids. This prompts your liver to use excess cholesterol to make more bile acids, which reduces the level of cholesterol in your blood.
- Cholesterol absorption inhibitors. Your small intestine absorbs the cholesterol from your diet and releases it into your bloodstream. The drug ezetimibe (Zetia) helps reduce blood cholesterol by limiting the absorption of dietary cholesterol. Zetia can be used in combination with any of the statin drugs.
- Combination cholesterol absorption inhibitor and statin. The combination drug ezetimibe-simvastatin (Vytorin) decreases both absorption of dietary cholesterol in your small intestine and production of cholesterol in your liver. It's unknown whether Vytorin is more effective in reducing heart disease risk than taking simvastatin by itself.
Medications for high triglycerides
If you also have high triglycerides, your doctor may prescribe:
- Fibrates. The medications fenofibrate (TriCor) and gemfibrozil (Lopid) decrease triglycerides by reducing your liver's production of very-low-density lipoprotein (VLDL) cholesterol and by speeding up the removal of triglycerides from your blood. VLDL cholesterol contains mostly triglycerides.
- Niacin. Niacin (Niaspan) decreases triglycerides by limiting your liver's ability to produce LDL and VLDL cholesterol. Prescription and over-the-counter niacin is available, but prescription niacin is preferred as it has the least side effects. Dietary supplements containing niacin that are available over-the-counter are not effective for lowering triglycerides, and may damage your liver.
- Omega-3 fatty acid supplements. Omega-3 fatty acid supplements can help lower your cholesterol. You can take over-the-counter supplements, or your doctor may prescribe Lovaza, a prescription omega-3 fatty acid supplement, as a way to lower your triglycerides. These supplements may be taken with another cholesterol-lowering medication, such as a statin. If you choose to take over-the-counter supplements, get your doctor's OK first. Omega-3 fatty acid supplements could affect other medications you're taking.
Tolerance of medications varies from person to person. The common side effects are muscle pains, stomach pain, constipation, nausea and diarrhea. If you decide to take cholesterol medication, your doctor may recommend liver function tests to monitor the medication's effect on your liver.
Children and cholesterol treatment
Diet and exercise are the best initial treatment for children age 2 and older who have high cholesterol or who are obese. The American Academy of Pediatrics also recommends treatment with prescription drugs, such as statins, for children age 8 and older if a child has a high level of LDL cholesterol. However, this recommendation is controversial. The long-term effects of cholesterol-lowering drugs have not been extensively studied in children. In addition, certain cholesterol medications such as niacin are not recommended for children. Because of the disagreement in the medical community on this topic, talk to your child's doctor about the best way to lower your child's cholesterol.
Feb. 12, 2013
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