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Drug Interactions between Symtuza and Tivicay

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

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Interactions between your drugs

Moderate

tenofovir darunavir

Applies to: Symtuza (cobicistat / darunavir / emtricitabine / tenofovir alafenamide) and Symtuza (cobicistat / darunavir / emtricitabine / tenofovir alafenamide)

Using tenofovir together with darunavir may increase the plasma concentrations of both medicines. You may need a special test or more frequent monitoring by your doctor to safely use both medications. Contact your doctor if your condition changes or you experience increased side effects such as kidney problems. 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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Moderate

tenofovir cobicistat

Applies to: Symtuza (cobicistat / darunavir / emtricitabine / tenofovir alafenamide) and Symtuza (cobicistat / darunavir / emtricitabine / tenofovir alafenamide)

Using cobicistat together with tenofovir can increase the effects of tenofovir, which can cause new or worse kidney problems. You may need a dose adjustment or more frequent monitoring by your doctor to safely use both medications. Contact your doctor if your condition changes or you experience increased side effects. 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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Moderate

emtricitabine cobicistat

Applies to: Symtuza (cobicistat / darunavir / emtricitabine / tenofovir alafenamide) and Symtuza (cobicistat / darunavir / emtricitabine / tenofovir alafenamide)

Cobicistat is a medication used to boost the effects of some medications that treat HIV infection. However, using cobicistat together with other HIV medications, such as emtricitabine, may alter the blood levels and effects of both medications. Using emtricitabine with cobicistat may reduce or increase blood levels of cobicistat. Reduced blood levels of cobicistat may make cobicistat less effective and may cause overall HIV treatment to be less effective. Cobicistat may increase blood levels of emtricitabine which may increase the risk of side effects. Talk to your doctor or pharmacist if you have any questions on how to use these medications properly. Your doctor may be able to prescribe alternatives that do not interact, or you may need a dose adjustment or more frequent monitoring to safely use both medications. Contact your doctor if your condition changes or you experience increased side effects. 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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Minor

darunavir dolutegravir

Applies to: Symtuza (cobicistat / darunavir / emtricitabine / tenofovir alafenamide) and Tivicay (dolutegravir)

Information for this minor interaction is available on the professional version.

Minor

cobicistat dolutegravir

Applies to: Symtuza (cobicistat / darunavir / emtricitabine / tenofovir alafenamide) and Tivicay (dolutegravir)

Information for this minor interaction is available on the professional version.

Drug and food interactions

Moderate

darunavir food

Applies to: Symtuza (cobicistat / darunavir / emtricitabine / tenofovir alafenamide)

Food can enhance the levels of darunavir in your body. Take darunavir with food. The type of food does not matter. This will make it easier for your body to absorb the medication. Swallow the whole tablets with a drink such as water or milk. Do not chew the tablets. Darunavir must be always be taken together at the same time as another medication called ritonavir (Norvir).

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Minor

tenofovir food

Applies to: Symtuza (cobicistat / darunavir / emtricitabine / tenofovir alafenamide)

Information for this minor interaction is available on the professional version.

Minor

dolutegravir food

Applies to: Tivicay (dolutegravir)

Information for this minor interaction is available on the professional version.

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.


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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.