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Drug Interactions between atazanavir / cobicistat and Cotellic

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

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Interactions between your drugs

Major

atazanavir cobimetinib

Applies to: atazanavir / cobicistat and Cotellic (cobimetinib)

Atazanavir may significantly increase the blood levels of cobimetinib. This may increase the risk and/or severity of side effects such as nausea, vomiting, diarrhea, mouth sores, bleeding, heart problems (e.G., heart failure), rash, photosensitivity (i.E., increased sensitivity to sunlight), eye problems, liver injury, and muscle damage. Talk to your doctor if you have any questions or concerns. Your doctor may be able to prescribe alternatives that do not interact. 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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Major

cobicistat cobimetinib

Applies to: atazanavir / cobicistat and Cotellic (cobimetinib)

Cobicistat may significantly increase the blood levels of cobimetinib. This may increase the risk and/or severity of side effects such as nausea, vomiting, diarrhea, mouth sores, bleeding, heart problems (e.G., heart failure), rash, photosensitivity (i.E., increased sensitivity to sunlight), eye problems, liver injury, and muscle damage. Talk to your doctor if you have any questions or concerns. Your doctor may be able to prescribe alternatives that do not interact. 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

Moderate

atazanavir food

Applies to: atazanavir / cobicistat

Food can enhance the levels of atazanavir in your body. To ensure maximal oral absorption, atazanavir should be administered with or immediately after a meal. This will make it easier for your body to absorb the medication.

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Moderate

cobimetinib food

Applies to: Cotellic (cobimetinib)

Grapefruit juice may increase the blood levels and effects of certain medications such as cobimetinib. You may want to limit your consumption of grapefruit and grapefruit juice during treatment with cobimetinib. However, if you have been regularly consuming grapefruit or grapefruit juice with cobimetinib, do not alter the amounts of these products in your diet without first talking to your doctor or other healthcare professional. Contact your doctor if your condition changes or you experience increased side effects. Orange juice is not expected to interact.

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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.

Medical Disclaimer