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Drug Interactions between ombitasvir / paritaprevir / ritonavir and terfenadine

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

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Interactions between your drugs

Major

terfenadine ritonavir

Applies to: terfenadine and ombitasvir / paritaprevir / ritonavir

Astemizole and terfenadine are no longer on the market in the US. Do not take astemizole or terfenadine with any other medication.

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Drug and food interactions

Major

terfenadine food

Applies to: terfenadine

Terfenadine is no longer on the market in the US. Do not take terfenadine with any other food or medication.

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Moderate

ritonavir food

Applies to: ombitasvir / paritaprevir / ritonavir

Ritonavir should be taken with food to lessen gastrointestinal side effects. It is important that you take this medication exactly as prescribed by your doctor. Do not change your treatment or stop treatment without first talking to your doctor.

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Moderate

paritaprevir food

Applies to: ombitasvir / paritaprevir / ritonavir

Food significantly increases the absorption of paritaprevir. You should take each dose of paritaprevir with a meal. Taking it on an empty stomach may lead to inadequate blood levels and reduced effectiveness of the medication.

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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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