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Drug Interactions between amoxicillin / omeprazole / rifabutin and Paxlovid

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

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Interactions between your drugs

Major

rifabutin ritonavir

Applies to: amoxicillin / omeprazole / rifabutin and Paxlovid (nirmatrelvir / ritonavir)

Ritonavir may significantly increase the blood levels 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. Talk to your doctor if you have any questions or concerns. Your doctor may already be aware of the interaction, but has determined that this is the best course of treatment for you and has taken appropriate precautions and is monitoring you closely for any potential complications. 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

rifabutin nirmatrelvir

Applies to: amoxicillin / omeprazole / rifabutin and Paxlovid (nirmatrelvir / ritonavir)

Using nirmatrelvir together with rifabutin 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.

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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.

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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