Respuesta :
Antihyperlipidemic are medications used to treat increased levels of lipids in the blood, like cholesterol, particularly low density lipoprotein, or LDL cholesterol; as well as triglycerides. Therefore, they’re also indicated in coronary artery disease therapy.
Antihyperlipidemics include different classes of medications, among which are bile acid sequestrants, like cholestyramine, colesevelam and colestipol, as well as cholesterol absorption inhibitors like ezetimibe. All of them are administered orally.
Once administered, bile acid sequestrants, which are positively charged molecules, bind to the negatively charged bile acid in the intestine, preventing it from being reabsorbed. In turn, the liver compensates by increasing the production of bile salts, which uses up a lot of cholesterol. To get more cholesterol from the rest of the body, the liver increases uptake of LDLs, lowering its levels in the blood. The downside is that this also increases endogenous cholesterol and triglyceride synthesis.
And then cholesterol absorption inhibitors work by blocking a transport protein that mediates cholesterol absorption in the small intestine. This medication is mainly used to treat high levels of LDL and is typically used in combination with other lipid lowering agents like statins.
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