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Drug Interactions between atazanavir / cobicistat and idelalisib

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

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Interactions between your drugs

Moderate

atazanavir idelalisib

Applies to: atazanavir / cobicistat and idelalisib

Atazanavir may increase the blood levels of idelalisib. This can increase the risk and/or severity of side effects such as liver problems, diarrhea, intestinal wall perforation, lung or breathing problems, and low white blood cell and platelet counts. You may need a dose adjustment or more frequent monitoring by your doctor to safely use both medications. Call your doctor immediately if you have fever, chills, joint pain or swelling, unusual bleeding or bruising, skin rash, itching, loss of appetite, fatigue, nausea, vomiting, abdominal pain, dark urine, pale stools, and/or yellowing of the skin or eyes, as these may be signs and symptoms of liver damage. Also let your doctor know if the number of bowel movements per day increases by six or more, or if you experience other potentially serious side effects such as infection, coughing, difficulty breathing, and shortness of breath. 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.

Moderate

cobicistat idelalisib

Applies to: atazanavir / cobicistat and idelalisib

Cobicistat may increase the blood levels of idelalisib. This can increase the risk and/or severity of side effects such as liver problems, diarrhea, intestinal wall perforation, lung or breathing problems, and low white blood cell and platelet counts. You may need a dose adjustment or more frequent monitoring by your doctor to safely use both medications. Call your doctor immediately if you have fever, chills, joint pain or swelling, unusual bleeding or bruising, skin rash, itching, loss of appetite, fatigue, nausea, vomiting, abdominal pain, dark urine, pale stools, and/or yellowing of the skin or eyes, as these may be signs and symptoms of liver damage. Also let your doctor know if the number of bowel movements per day increases by six or more, or if you experience other potentially serious side effects such as infection, coughing, difficulty breathing, and shortness of breath. 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.

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.

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