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Drug interactions between Questran and vancomycin

Results for the following 2 drugs:
Questran (cholestyramine)
vancomycin

Interactions between your drugs

Moderate

vancomycin cholestyramine

Applies to: vancomycin and Questran (cholestyramine)

The following interaction applies only if you are receiving vancomycin orally:

cholestyramine may interfere with the absorption of vancomycin when these medications are taken at the same time. This may reduce the blood levels and effects of vancomycin. To prevent or minimize the interaction, vancomycin should be taken at least 1 hour before or 4 to 6 hours after the cholestyramine dose. Contact your doctor if your symptoms worsen or your condition changes during treatment with these medications. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

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Drug and food interactions

No results found in our database - however, this does not necessarily mean no interactions exist. Always consult with your doctor or pharmacist.

Therapeutic duplication warnings

No warnings were found for your selected drugs.

Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.

Drug Interaction Classification

The classifications below are a guideline only. The relevance of a particular drug interaction to a specific patient is difficult to determine using this tool alone given the large number of variables that may apply.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No information available.

Do not stop taking any medications without consulting your healthcare provider.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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