Drug Interaction Checker

This drug interaction tool provides information regarding potential drug interactions with the selected product. It is meant to be used as a guide and not considered a comprehensive list of all possible drugs that may interact. The healthcare provider should consult appropriate references for comprehensive information.

Please note that information provided by this tool is derived from the product labeling.

If you do not see your product listed, or have a question that cannot be answered by using this tool, please search here or call us at 1-800-438-1985.

Drug Interaction Resources
Paxlovid Prescribing Information available here and Emergency Use Authorization Fact Sheet for Healthcare Providers available here.

Potentially Significant Drug Interactions, Including Contraindicated Drugs infographic available here from Pfizer Medical.

If you have a question that cannot be answered by using the above resources, please search here or call us at 1-800-438-1985.

Additional Resources*:

• The National Institutes of Health (NIH):        https://www.covid19treatmentguidelines.nih.gov/
• Infection Diseases Society of America (IDSA): https://www.idsociety.org/practice-guideline/covid-19-guideline-treatment-and-management/
• The Liverpool COVID-19 Drug Interactions website: https://www.covid19-druginteractions.org/checker

*The information made available through the link relates only to known or suspected effects of interacting medications and is based on relevant data in the public domain. Healthcare providers must exercise their own judgment. The nature of drug interaction information is that it is constantly evolving because of ongoing research and clinical experience and is often subject to interpretation. No clinical advice is given or implied and healthcare providers must exercise their own judgement in relation to the risks and benefits of combining medications, which depend on factors beyond pharmacokinetic interactions between two medications. Pfizer shall have no liability to any person or entity with regard to claims, loss, or damage caused, or alleged to be caused, directly or indirectly, by the use of other resources.

Links to all third-party websites are provided as a convenience and do not imply an endorsement or recommendation by Pfizer. Pfizer accepts no responsibility or liability for the content or services of other websites. We encourage you to review the policies and terms of all websites you may choose to visit.