Skip to main content

Drug Interactions between Paxlovid and rifapentine

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

Edit list (add/remove drugs)

Interactions between your drugs

Major

ritonavir rifapentine

Applies to: Paxlovid (nirmatrelvir / ritonavir) and rifapentine

Ask your doctor before using ritonavir together with rifapentine. Using these medications together can make ritonavir less effective. Contact your doctor if your infection or condition worsens. You may need a dose adjustment or special tests to safely take both medications together. 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.

Major

rifapentine nirmatrelvir

Applies to: rifapentine and Paxlovid (nirmatrelvir / ritonavir)

Using nirmatrelvir together with rifapentine is not recommended. Combining these medications may significantly reduce the blood levels of nirmatrelvir, which may make it less effective in treating COVID-19 infection. 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.

Drug and food interactions

Moderate

ritonavir food

Applies to: Paxlovid (nirmatrelvir / 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.

Moderate

rifapentine food

Applies to: rifapentine

Food enhances the absorption of rifapentine and may reduce the incidence of stomach upset, nausea, and/or vomiting. However, if rifapentine is part of a combination product, the recommendations may differ. Talk to your healthcare provider if you have any questions or concerns. 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.

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

Report options

Loading...
QR code containing a link to this page

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