Bile acid resins
Bile acid resins
Bile acid resins or sequestrants (cholestyramine, cholesevelam) exchange chloride against bile acids in the intestine, thereby inhibiting the enterohepatic recirculation of bile acids. This promotes the upregulation of 7-α-hydroxylase (pink) and the conversion of more cholesterol in the hepatocyte into bile acids.
Bile acid resins are not absorbed from the GI tract and thus lack systemic toxicity. However, the GI side effects are numerous and dose limiting. These include constipation, bloating, abdominal pain, nausea, and flatulence.
Bile acid resins can decrease the absorption of other drugs administered concurrently, including fat-soluble vitamins, and so it is recommended that other drugs be taken an hour before or 4 hours after the bile acid resin.
Bile acid resins can cause all of the following EXCEPT
Regarding the treatment of dyslipidemia: which is false?
Extra info: Bile acid sequestrants are less effective in lowering LDL and thus not the best option for refractory patients.
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