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Drug Interactions between Xenical and zalcitabine

This report displays the potential drug interactions for the following 2 drugs:

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Interactions between your drugs

Moderate

zalcitabine orlistat

Applies to: zalcitabine and Xenical (orlistat)

MONITOR: Orlistat may theoretically reduce the gastrointestinal absorption and therapeutic efficacy of antiretroviral agents. The mechanism may involve retention of lipophilic medicines in the gastrointestinal tract or reduced gastrointestinal tract transit time. Data have been reported for efavirenz and lopinavir. Other antiretroviral agents may also be affected.

MANAGEMENT: The potential reduction in antiretroviral efficacy should be considered before initiating treatment with orlistat. Patients who take antiretroviral medications should be advised to consult their physician before using the non-prescription brand of orlistat.

References (1)
  1. MHRA. Medicines and Healthcare Products Regulatory Agency (2014) Orlistat: theoretical interaction with antiretroviral HIV medicines. http://www.mhra.gov.uk/Safetyinformation/DrugSafetyUpdate/CON392868

Drug and food interactions

Minor

zalcitabine food

Applies to: zalcitabine

Zalcitabine bioavailability may be decreased by 14% if taken with meals. The mechanism and clinical significance are unknown.

References (1)
  1. (2001) "Product Information. HIVID (zalcitabine)." Roche Laboratories

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.

See also

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Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
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 interaction information available.

Further information

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

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