Colesevelam interactions
Colesevelam (Welchol), a bile acid sequestrant has 73 documented interactions across the FDA labels and fact sheets we index: 2 major, 67 moderate, 4 minor, and 0 where a label reports no significant interaction. Each entry below quotes the sentence behind it. This drug page is a starting point, not a verdict for your situation.
Interactions from the label
Major interactions (2)
Bile Acid Sequestrants Avoid the concomitant use of bile acid sequestrants (e.g., cholestyramine, colesevelam, colestipol) with Exjade due to a possible decrease in deferasirox concentration. (Deferasirox label, Drug interactions)
EVISTA should not be co-administered with other anion exchange resins [see Clinical Pharmacology ( 12.3 )] . (Raloxifene label, Drug interactions)
Moderate interactions (67)
Concomitant use with colesevelam hydrochloride may increase the exposure of the following drugs: Metformin extended release. (Colesevelam label, Drug interactions)
Concomitant use with colesevelam hydrochloride may decrease the exposure of the following drugs: Drugs with a narrow therapeutic index (e.g., cyclosporine), phenytoin, thyroid hormone replacement therapy, warfarin, oral contraceptives containing ethinyl estradiol and norethindrone, olmesartan medoxomil, and sulfonylureas (glimepiride, glipizide, glyburide). (Colesevelam label, Drug interactions)
Hypertriglyceridemia and Pancreatitis Colesevelam hydrochloride, like other bile acid sequestrants, can increase serum TG concentrations. (Colesevelam label, Warnings and precautions)
Hypertriglyceridemia and Pancreatitis Colesevelam hydrochloride, like other bile acid sequestrants, can increase serum TG concentrations. (Colesevelam label, Warnings and precautions)
Concomitant use with colesevelam hydrochloride may decrease the exposure of the following drugs: Drugs with a narrow therapeutic index (e.g., cyclosporine), phenytoin, thyroid hormone replacement therapy, warfarin, oral contraceptives containing ethinyl estradiol and norethindrone, olmesartan medoxomil, and sulfonylureas (glimepiride, glipizide, glyburide). (Colesevelam label, Drug interactions)
Concomitant use with colesevelam hydrochloride may decrease the exposure of the following drugs: Drugs with a narrow therapeutic index (e.g., cyclosporine), phenytoin, thyroid hormone replacement therapy, warfarin, oral contraceptives containing ethinyl estradiol and norethindrone, olmesartan medoxomil, and sulfonylureas (glimepiride, glipizide, glyburide). (Colesevelam label, Drug interactions)
Concomitant use with colesevelam hydrochloride may decrease the exposure of the following drugs: Drugs with a narrow therapeutic index (e.g., cyclosporine), phenytoin, thyroid hormone replacement therapy, warfarin, oral contraceptives containing ethinyl estradiol and norethindrone, olmesartan medoxomil, and sulfonylureas (glimepiride, glipizide, glyburide). (Colesevelam label, Drug interactions)
Concomitant use with colesevelam hydrochloride may increase the exposure of the following drugs: Metformin extended release. (Colesevelam label, Drug interactions)
Concomitant use with colesevelam hydrochloride may decrease the exposure of the following drugs: Drugs with a narrow therapeutic index (e.g., cyclosporine), phenytoin, thyroid hormone replacement therapy, warfarin, oral contraceptives containing ethinyl estradiol and norethindrone, olmesartan medoxomil, and sulfonylureas (glimepiride, glipizide, glyburide). (Colesevelam label, Drug interactions)
Concomitant use with colesevelam hydrochloride may decrease the exposure of the following drugs: Drugs with a narrow therapeutic index (e.g., cyclosporine), phenytoin, thyroid hormone replacement therapy, warfarin, oral contraceptives containing ethinyl estradiol and norethindrone, olmesartan medoxomil, and sulfonylureas (glimepiride, glipizide, glyburide). (Colesevelam label, Drug interactions)
Concomitant use with colesevelam hydrochloride may increase the exposure of the following drugs: Metformin extended release. (Colesevelam label, Drug interactions)
Concomitant use with colesevelam hydrochloride may decrease the exposure of the following drugs: Drugs with a narrow therapeutic index (e.g., cyclosporine), phenytoin, thyroid hormone replacement therapy, warfarin, oral contraceptives containing ethinyl estradiol and norethindrone, olmesartan medoxomil, and sulfonylureas (glimepiride, glipizide, glyburide). (Colesevelam label, Drug interactions)
Concomitant use with colesevelam hydrochloride may decrease the exposure of the following drugs: Drugs with a narrow therapeutic index (e.g., cyclosporine), phenytoin, thyroid hormone replacement therapy, warfarin, oral contraceptives containing ethinyl estradiol and norethindrone, olmesartan medoxomil, and sulfonylureas (glimepiride, glipizide, glyburide). (Colesevelam label, Drug interactions)
Concomitant use with colesevelam hydrochloride may decrease the exposure of the following drugs: Drugs with a narrow therapeutic index (e.g., cyclosporine), phenytoin, thyroid hormone replacement therapy, warfarin, oral contraceptives containing ethinyl estradiol and norethindrone, olmesartan medoxomil, and sulfonylureas (glimepiride, glipizide, glyburide). (Colesevelam label, Drug interactions)
Concomitant use with colesevelam hydrochloride may decrease the exposure of the following drugs: Drugs with a narrow therapeutic index (e.g., cyclosporine), phenytoin, thyroid hormone replacement therapy, warfarin, oral contraceptives containing ethinyl estradiol and norethindrone, olmesartan medoxomil, and sulfonylureas (glimepiride, glipizide, glyburide). (Colesevelam label, Drug interactions)
Concomitant use with colesevelam hydrochloride may decrease the exposure of the following drugs: Drugs with a narrow therapeutic index (e.g., cyclosporine), phenytoin, thyroid hormone replacement therapy, warfarin, oral contraceptives containing ethinyl estradiol and norethindrone, olmesartan medoxomil, and sulfonylureas (glimepiride, glipizide, glyburide). (Colesevelam label, Drug interactions)
Concomitant use with colesevelam hydrochloride may decrease the exposure of the following drugs: Drugs with a narrow therapeutic index (e.g., cyclosporine), phenytoin, thyroid hormone replacement therapy, warfarin, oral contraceptives containing ethinyl estradiol and norethindrone, olmesartan medoxomil, and sulfonylureas (glimepiride, glipizide, glyburide). (Colesevelam label, Drug interactions)
- EzetimibeModerate
Bile Acid Sequestrants Clinical Impact: Concomitant cholestyramine administration decreased the mean exposure of total ezetimibe. (Ezetimibe label, Drug interactions)
Table 3: Drug Interactions that Decrease the Efficacy of VYTORIN Bile Acid Sequestrants Clinical Impact: Concomitant cholestyramine administration decreased the mean exposure of total ezetimibe approximately 55%. (Ezetimibe and simvastatin label, Drug interactions)
Concomitant use with colesevelam hydrochloride may decrease the exposure of the following drugs: Drugs with a narrow therapeutic index (e.g., cyclosporine), phenytoin, thyroid hormone replacement therapy, warfarin, oral contraceptives containing ethinyl estradiol and norethindrone, olmesartan medoxomil, and sulfonylureas (glimepiride, glipizide, glyburide). (Colesevelam label, Drug interactions)
(F) Bile Acid-Binding Resins Gemfibrozil AUC was reduced by 30% when gemfibrozil was given (600 mg) simultaneously with resin-granule drugs such as colestipol (5 g). (Gemfibrozil label, Drug interactions)
Examples: Glimepiride, glipizide, and glyburide Oral Vitamin Supplements Clinical Impact: Colesevelam hydrochloride may decrease the absorption of fat-soluble vitamins A, D, E, and K [see Warnings and Precautions (5.3) ]. (Colesevelam label, Drug interactions)
Examples: Glimepiride, glipizide, and glyburide Oral Vitamin Supplements Clinical Impact: Colesevelam hydrochloride may decrease the absorption of fat-soluble vitamins A, D, E, and K [see Warnings and Precautions (5.3) ]. (Colesevelam label, Drug interactions)
Concomitant use with colesevelam hydrochloride may increase the exposure of the following drugs: Metformin extended release. (Colesevelam label, Drug interactions)
Examples: Glimepiride, glipizide, and glyburide Oral Vitamin Supplements Clinical Impact: Colesevelam hydrochloride may decrease the absorption of fat-soluble vitamins A, D, E, and K [see Warnings and Precautions (5.3) ]. (Colesevelam label, Drug interactions)
Concomitant use with colesevelam hydrochloride may increase the exposure of the following drugs: Metformin extended release. (Colesevelam label, Drug interactions)
…placebo) and when colesevelam hydrochloride was used in combination with pioglitazone (median increase 11% compared to placebo in combination with pioglitazone), sulfonylureas (median increase 18% compared to placebo in combination with sulfonylureas), and insulin (median increase 22% compared to placebo in combination with insulin) [see Adverse Reactions (6.1) ]. (Colesevelam label, Warnings and precautions)
…placebo) and when colesevelam hydrochloride was used in combination with pioglitazone (median increase 11% compared to placebo in combination with pioglitazone), sulfonylureas (median increase 18% compared to placebo in combination with sulfonylureas), and insulin (median increase 22% compared to placebo in combination with insulin) [see Adverse Reactions (6.1) ]. (Colesevelam label, Warnings and precautions)
…placebo) and when colesevelam hydrochloride was used in combination with pioglitazone (median increase 11% compared to placebo in combination with pioglitazone), sulfonylureas (median increase 18% compared to placebo in combination with sulfonylureas), and insulin (median increase 22% compared to placebo in combination with insulin) [see Adverse Reactions (6.1) ]. (Colesevelam label, Warnings and precautions)
…placebo) and when colesevelam hydrochloride was used in combination with pioglitazone (median increase 11% compared to placebo in combination with pioglitazone), sulfonylureas (median increase 18% compared to placebo in combination with sulfonylureas), and insulin (median increase 22% compared to placebo in combination with insulin) [see Adverse Reactions (6.1) ]. (Colesevelam label, Warnings and precautions)
…placebo) and when colesevelam hydrochloride was used in combination with pioglitazone (median increase 11% compared to placebo in combination with pioglitazone), sulfonylureas (median increase 18% compared to placebo in combination with sulfonylureas), and insulin (median increase 22% compared to placebo in combination with insulin) [see Adverse Reactions (6.1) ]. (Colesevelam label, Warnings and precautions)
…placebo) and when colesevelam hydrochloride was used in combination with pioglitazone (median increase 11% compared to placebo in combination with pioglitazone), sulfonylureas (median increase 18% compared to placebo in combination with sulfonylureas), and insulin (median increase 22% compared to placebo in combination with insulin) [see Adverse Reactions (6.1) ]. (Colesevelam label, Warnings and precautions)
Concomitant use with colesevelam hydrochloride may decrease the exposure of the following drugs: Drugs with a narrow therapeutic index (e.g., cyclosporine), phenytoin, thyroid hormone replacement therapy, warfarin, oral contraceptives containing ethinyl estradiol and norethindrone, olmesartan medoxomil, and sulfonylureas (glimepiride, glipizide, glyburide). (Colesevelam label, Drug interactions)
Concomitant use with colesevelam hydrochloride may decrease the exposure of the following drugs: Drugs with a narrow therapeutic index (e.g., cyclosporine), phenytoin, thyroid hormone replacement therapy, warfarin, oral contraceptives containing ethinyl estradiol and norethindrone, olmesartan medoxomil, and sulfonylureas (glimepiride, glipizide, glyburide). (Colesevelam label, Drug interactions)
Concomitant use with colesevelam hydrochloride may decrease the exposure of the following drugs: Drugs with a narrow therapeutic index (e.g., cyclosporine), phenytoin, thyroid hormone replacement therapy, warfarin, oral contraceptives containing ethinyl estradiol and norethindrone, olmesartan medoxomil, and sulfonylureas (glimepiride, glipizide, glyburide). (Colesevelam label, Drug interactions)
Concomitant use with colesevelam hydrochloride may decrease the exposure of the following drugs: Drugs with a narrow therapeutic index (e.g., cyclosporine), phenytoin, thyroid hormone replacement therapy, warfarin, oral contraceptives containing ethinyl estradiol and norethindrone, olmesartan medoxomil, and sulfonylureas (glimepiride, glipizide, glyburide). (Colesevelam label, Drug interactions)
Concomitant use with colesevelam hydrochloride may increase the exposure of the following drugs: Metformin extended release. (Colesevelam label, Drug interactions)
Concomitant use with colesevelam hydrochloride may decrease the exposure of the following drugs: Drugs with a narrow therapeutic index (e.g., cyclosporine), phenytoin, thyroid hormone replacement therapy, warfarin, oral contraceptives containing ethinyl estradiol and norethindrone, olmesartan medoxomil, and sulfonylureas (glimepiride, glipizide, glyburide). (Colesevelam label, Drug interactions)
- LomitapideModerate
Bile Acid Sequestrants: Separate JUXTAPID dosing by at least 4 hours ( 7.6 ). (Lomitapide label, Drug interactions)
Concomitant use with colesevelam hydrochloride may decrease the exposure of the following drugs: Drugs with a narrow therapeutic index (e.g., cyclosporine), phenytoin, thyroid hormone replacement therapy, warfarin, oral contraceptives containing ethinyl estradiol and norethindrone, olmesartan medoxomil, and sulfonylureas (glimepiride, glipizide, glyburide). (Colesevelam label, Drug interactions)
Concomitant use with colesevelam hydrochloride may decrease the exposure of the following drugs: Drugs with a narrow therapeutic index (e.g., cyclosporine), phenytoin, thyroid hormone replacement therapy, warfarin, oral contraceptives containing ethinyl estradiol and norethindrone, olmesartan medoxomil, and sulfonylureas (glimepiride, glipizide, glyburide). (Colesevelam label, Drug interactions)
Concomitant use with colesevelam hydrochloride may increase the exposure of the following drugs: Metformin extended release. (Colesevelam label, Drug interactions)
Concomitant use with colesevelam hydrochloride may decrease the exposure of the following drugs: Drugs with a narrow therapeutic index (e.g., cyclosporine), phenytoin, thyroid hormone replacement therapy, warfarin, oral contraceptives containing ethinyl estradiol and norethindrone, olmesartan medoxomil, and sulfonylureas (glimepiride, glipizide, glyburide). (Colesevelam label, Drug interactions)
Concomitant use with colesevelam hydrochloride may decrease the exposure of the following drugs: Drugs with a narrow therapeutic index (e.g., cyclosporine), phenytoin, thyroid hormone replacement therapy, warfarin, oral contraceptives containing ethinyl estradiol and norethindrone, olmesartan medoxomil, and sulfonylureas (glimepiride, glipizide, glyburide). (Colesevelam label, Drug interactions)
Examples Cyclosporine A, trimethoprim/sulfamethoxazole, bile acid sequestrants (cholestyramine), rifampin as well as aminoglycoside, cephalosporin, fluoroquinolone and penicillin classes of antimicrobials Drugs Modulating Glucuronidation Clinical Impact Concomitant use with drugs inducing glucuronidation decreases MPA systemic exposure, potentially reducing mycophenolate… (Mycophenolate label, Drug interactions)
Concomitant use with colesevelam hydrochloride may decrease the exposure of the following drugs: Drugs with a narrow therapeutic index (e.g., cyclosporine), phenytoin, thyroid hormone replacement therapy, warfarin, oral contraceptives containing ethinyl estradiol and norethindrone, olmesartan medoxomil, and sulfonylureas (glimepiride, glipizide, glyburide). (Colesevelam label, Drug interactions)
Concomitant use with colesevelam hydrochloride may decrease the exposure of the following drugs: Drugs with a narrow therapeutic index (e.g., cyclosporine), phenytoin, thyroid hormone replacement therapy, warfarin, oral contraceptives containing ethinyl estradiol and norethindrone, olmesartan medoxomil, and sulfonylureas (glimepiride, glipizide, glyburide). (Colesevelam label, Drug interactions)
Concomitant use with colesevelam hydrochloride may decrease the exposure of the following drugs: Drugs with a narrow therapeutic index (e.g., cyclosporine), phenytoin, thyroid hormone replacement therapy, warfarin, oral contraceptives containing ethinyl estradiol and norethindrone, olmesartan medoxomil, and sulfonylureas (glimepiride, glipizide, glyburide). (Colesevelam label, Drug interactions)
Concomitant use with colesevelam hydrochloride may decrease the exposure of the following drugs: Drugs with a narrow therapeutic index (e.g., cyclosporine), phenytoin, thyroid hormone replacement therapy, warfarin, oral contraceptives containing ethinyl estradiol and norethindrone, olmesartan medoxomil, and sulfonylureas (glimepiride, glipizide, glyburide). (Colesevelam label, Drug interactions)
Concomitant use with colesevelam hydrochloride may decrease the exposure of the following drugs: Drugs with a narrow therapeutic index (e.g., cyclosporine), phenytoin, thyroid hormone replacement therapy, warfarin, oral contraceptives containing ethinyl estradiol and norethindrone, olmesartan medoxomil, and sulfonylureas (glimepiride, glipizide, glyburide). (Colesevelam label, Drug interactions)
Concomitant use with colesevelam hydrochloride may decrease the exposure of the following drugs: Drugs with a narrow therapeutic index (e.g., cyclosporine), phenytoin, thyroid hormone replacement therapy, warfarin, oral contraceptives containing ethinyl estradiol and norethindrone, olmesartan medoxomil, and sulfonylureas (glimepiride, glipizide, glyburide). (Colesevelam label, Drug interactions)
Concomitant use with colesevelam hydrochloride may decrease the exposure of the following drugs: Drugs with a narrow therapeutic index (e.g., cyclosporine), phenytoin, thyroid hormone replacement therapy, warfarin, oral contraceptives containing ethinyl estradiol and norethindrone, olmesartan medoxomil, and sulfonylureas (glimepiride, glipizide, glyburide). (Colesevelam label, Drug interactions)
Concomitant use with colesevelam hydrochloride may decrease the exposure of the following drugs: Drugs with a narrow therapeutic index (e.g., cyclosporine), phenytoin, thyroid hormone replacement therapy, warfarin, oral contraceptives containing ethinyl estradiol and norethindrone, olmesartan medoxomil, and sulfonylureas (glimepiride, glipizide, glyburide). (Colesevelam label, Drug interactions)
Concomitant use with colesevelam hydrochloride may decrease the exposure of the following drugs: Drugs with a narrow therapeutic index (e.g., cyclosporine), phenytoin, thyroid hormone replacement therapy, warfarin, oral contraceptives containing ethinyl estradiol and norethindrone, olmesartan medoxomil, and sulfonylureas (glimepiride, glipizide, glyburide). (Colesevelam label, Drug interactions)
Vitamin K or Fat-Soluble Vitamin Deficiencies: Colesevelam hydrochloride may decrease absorption of fat-soluble vitamins. (Colesevelam label, Warnings and precautions)
…TG levels occurred when colesevelam hydrochloride was used as monotherapy (median increase 9.7% compared to placebo) and when colesevelam hydrochloride was used in combination with pioglitazone (median increase 11% compared to placebo in combination with pioglitazone), sulfonylureas (median increase 18% compared to placebo in combination with sulfonylureas), and… (Colesevelam label, Warnings and precautions)
…TG levels occurred when colesevelam hydrochloride was used as monotherapy (median increase 9.7% compared to placebo) and when colesevelam hydrochloride was used in combination with pioglitazone (median increase 11% compared to placebo in combination with pioglitazone), sulfonylureas (median increase 18% compared to placebo in combination with sulfonylureas), and… (Colesevelam label, Warnings and precautions)
…TG levels occurred when colesevelam hydrochloride was used as monotherapy (median increase 9.7% compared to placebo) and when colesevelam hydrochloride was used in combination with pioglitazone (median increase 11% compared to placebo in combination with pioglitazone), sulfonylureas (median increase 18% compared to placebo in combination with sulfonylureas), and… (Colesevelam label, Warnings and precautions)
• Bile Acid Sequestrants: in patients taking a bile acid sequestrant, administer pravastatin sodium at least 1 hour before or at least 4 hours after the bile acid sequestrant () 7.1 Drug Interactions that Increase the Risk of Myopathy and Rhabdomyolysis with Pravastatin Sodium Pravastatin sodium is a substrate of the transport protein OATP1B1. (Pravastatin label, Drug interactions)
Concomitant use with colesevelam hydrochloride may decrease the exposure of the following drugs: Drugs with a narrow therapeutic index (e.g., cyclosporine), phenytoin, thyroid hormone replacement therapy, warfarin, oral contraceptives containing ethinyl estradiol and norethindrone, olmesartan medoxomil, and sulfonylureas (glimepiride, glipizide, glyburide). (Colesevelam label, Drug interactions)
Concomitant use with colesevelam hydrochloride may decrease the exposure of the following drugs: Drugs with a narrow therapeutic index (e.g., cyclosporine), phenytoin, thyroid hormone replacement therapy, warfarin, oral contraceptives containing ethinyl estradiol and norethindrone, olmesartan medoxomil, and sulfonylureas (glimepiride, glipizide, glyburide). (Colesevelam label, Drug interactions)
Concomitant use with colesevelam hydrochloride may increase the exposure of the following drugs: Metformin extended release. (Colesevelam label, Drug interactions)
Concomitant use with colesevelam hydrochloride may increase the exposure of the following drugs: Metformin extended release. (Colesevelam label, Drug interactions)
Concomitant use with colesevelam hydrochloride may decrease the exposure of the following drugs: Drugs with a narrow therapeutic index (e.g., cyclosporine), phenytoin, thyroid hormone replacement therapy, warfarin, oral contraceptives containing ethinyl estradiol and norethindrone, olmesartan medoxomil, and sulfonylureas (glimepiride, glipizide, glyburide). (Colesevelam label, Drug interactions)
…placebo) and when colesevelam hydrochloride was used in combination with pioglitazone (median increase 11% compared to placebo in combination with pioglitazone), sulfonylureas (median increase 18% compared to placebo in combination with sulfonylureas), and insulin (median increase 22% compared to placebo in combination with insulin) [see Adverse Reactions (6.1) ]. (Colesevelam label, Warnings and precautions)
Vitamin K or Fat-Soluble Vitamin Deficiencies: Colesevelam hydrochloride may decrease absorption of fat-soluble vitamins. (Colesevelam label, Warnings and precautions)
Patients with a susceptibility to deficiencies of vitamin K (e.g., patients on warfarin, patients with malabsorption syndromes) or other fat-soluble vitamins may be at increased risk. (Colesevelam label, Warnings and precautions)
Minor mentions (4)
Bile-Acid Binding Resins Clinical Impact: Bile-acid binding resins may bind other drugs given concurrently. (Fenofibrate label, Drug interactions)
Bile-Acid Binding Resins Clinical Impact: Bile-acid binding resins may bind other drugs given concurrently. (Fenofibric acid label, Drug interactions)
- NiacinMinor
Bile Acid Sequestrants: Bile acid sequestrants have a high niacin-binding capacity and should be taken at least 4 to 6 hours before niacin extended-release tablets administration. (Niacin label, Drug interactions)
These reduce absorption of vitamin D (a fat-soluble vitamin); take vitamin D several hours apart. (NIH Office of Dietary Supplements, Vitamin D)
Check Colesevelam against everything you take. Add your full list; every pair is checked at once.
Open in the checkerNot medical advice. Severity reflects the label's wording, not your circumstances. A "major" flag can be routine under supervision and a "minor" one can matter at high doses. Ask a pharmacist.