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Drug Interactions between dolutegravir and trace elements with selenium and iodide

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

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Interactions between your drugs

Major

zinc sulfate dolutegravir

Applies to: trace elements with selenium and iodide and dolutegravir

ADJUST DOSING INTERVAL: Coadministration with medications or supplements containing polyvalent cations such as zinc may decrease the plasma concentrations of integrase strand transfer inhibitors (INSTIs). The proposed mechanism involves chelation of the INSTI by polyvalent cations, forming a complex that is poorly absorbed from the gastrointestinal tract.

MANAGEMENT: If concomitant use is required, monitor for virologic efficacy and administer the INSTI at least 2 hours before or 6 hours after products containing polyvalent cations such as zinc.

References

  1. (2013) "Product Information. Tivicay (dolutegravir)." ViiV Healthcare
  2. (2018) "Product Information. Biktarvy (bictegravir/emtricitabine/tenofovir)." Gilead Sciences
  3. US National Library of Medicine (2019) Guidelines for the use of antiretroviral agents in adults and adolescents with HIV. https://aidsinfo.nih.gov/guidelines/html/1/adult-and-adolescent-arv-guidelines/287/insti-drug-interactions

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Drug and food interactions

Minor

dolutegravir food

Applies to: dolutegravir

Food increases the extent of absorption and slows the rate of absorption of dolutegravir. When administered with a low-, moderate- or high-fat meal, dolutegravir peak plasma concentration (Cmax) increased by 46%, 52% and 67%, systemic exposure (AUC) increased by 33%, 41% and 66%, and time to reach Cmax (Tmax) increased from 2 hours to 3, 4 and 5 hours, respectively, compared to administration under fasted conditions. Dolutegravir may be taken with or without food.

References

  1. (2013) "Product Information. Tivicay (dolutegravir)." ViiV Healthcare

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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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