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Drug Interactions between rifabutin and telaprevir

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

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Interactions between your drugs

Major

rifabutin telaprevir

Applies to: rifabutin and telaprevir

Using rifabutin together with telaprevir is not recommended. Combining these medications may significantly increase the blood levels and effects of rifabutin. This may increase the risk of serious side effects including low white blood cell count and an eye condition known as uveitis, which causes inflammation and swelling of the middle layer of the eye and can lead to blindness. At the same time, rifabutin may cause the blood levels of telaprevir to decrease, which may reduce its effectiveness in treating hepatitis C. 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

telaprevir food

Applies to: telaprevir

Food significantly increases the absorption of telaprevir. Within 30 minutes before you take each dose of telaprevir, you should eat a meal or snack containing approximately 20 grams of fat. Taking it on an empty stomach may lead to inadequate blood levels and reduced effectiveness of the medication. Examples of some foods that could be taken with telaprevir include: bagel with cream cheese; half cup of nuts; 3 tablespoons of peanut butter; 1 cup of ice cream; 2 ounces of American or cheddar cheese; 2 ounces of potato chips; or half cup of trail mix. Talk to your healthcare provider if you have additional questions about how to take telaprevir.

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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