Welchol (Colesevelam Hydrochloride) Drug Interactions
Check all documented drug-to-drug interactions. Major, moderate, and minor interactions with descriptions.
A therapy excluded from this list does not necessarily mean no interaction exists between that therapy and Welchol. Always confirm against the full prescribing information.
100 interactions
Bendroflumethiazide
Colesevelam can cause a decrease in the absorption of Bendroflumethiazide resulting in a reduced serum concentration and potentially a decrease in efficacy.
Level 2 evidence
Calcifediol
The serum concentration of Calcifediol can be decreased when it is combined with Colesevelam.
Level 1 evidence
Calcitriol
The serum concentration of Calcitriol can be decreased when it is combined with Colesevelam.
Level 1 evidence
Chenodeoxycholic acid
Colesevelam can cause a decrease in the absorption of Chenodeoxycholic acid resulting in a reduced serum concentration and potentially a decrease in efficacy.
Level 1 evidence
Chlorothiazide
Colesevelam can cause a decrease in the absorption of Chlorothiazide resulting in a reduced serum concentration and potentially a decrease in efficacy.
Level 2 evidence
Chlorthalidone
Colesevelam can cause a decrease in the absorption of Chlorthalidone resulting in a reduced serum concentration and potentially a decrease in efficacy.
Level 2 evidence
Cholecalciferol
The serum concentration of Cholecalciferol can be decreased when it is combined with Colesevelam.
Level 1 evidence
Cholic Acid
Colesevelam can cause a decrease in the absorption of Cholic Acid resulting in a reduced serum concentration and potentially a decrease in efficacy.
Level 1 evidence
Cyclosporine
The serum concentration of Cyclosporine can be decreased when it is combined with Colesevelam.
Level 1 evidence
Deferasirox
Colesevelam can cause a decrease in the absorption of Deferasirox resulting in a reduced serum concentration and potentially a decrease in efficacy.
Level 1 evidence
Demeclocycline
Colesevelam can cause a decrease in the absorption of Demeclocycline resulting in a reduced serum concentration and potentially a decrease in efficacy.
Level 2 evidence
Deoxycholic acid
Colesevelam can cause a decrease in the absorption of Deoxycholic acid resulting in a reduced serum concentration and potentially a decrease in efficacy.
Level 1 evidence
Enter your NPI to unlock 2 major interactions for Welchol
Welchol (Colesevelam Hydrochloride) has 142 documented drug interactions. Always review the full list with a pharmacist before co-prescribing.
Welchol (Colesevelam Hydrochloride) has 4 major, 73 moderate, and 65 minor documented interactions.
A therapy excluded from this list does not necessarily mean no interaction exists between that therapy and Welchol. Always confirm against the full prescribing information.