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Drug Interactions between adefovir and diflunisal

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

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Interactions between your drugs

Major

diflunisal adefovir

Applies to: diflunisal and adefovir

MONITOR CLOSELY: Coadministration of adefovir dipivoxil with other nephrotoxic agents may increase the risk and severity of renal impairment due to additive effects on the kidney. Additionally, renal impairment secondary to the use of these agents may reduce the clearance of adefovir, which is primarily eliminated by renal excretion. The use of adefovir dipivoxil has been associated with dose-related nephrotoxicity characterized by a delayed onset of gradual increases in serum creatinine and decreases in serum phosphorus. Generally, the risk is low in patients with adequate renal function receiving 10 mg/day but increases with increasing dosage and in patients with underlying renal impairment.

MANAGEMENT: Caution is advised if adefovir dipivoxil must be used in patients who have recently received or are receiving treatment with other potentially nephrotoxic agents (e.g., aminoglycosides; polypeptide, glycopeptide, and polymyxin antibiotics; amphotericin B; cidofovir; tenofovir; foscarnet; cisplatin; deferasirox; gallium nitrate; lithium; mesalamine; certain immunosuppressants; intravenous bisphosphonates; intravenous pentamidine; high intravenous dosages of methotrexate; high dosages and/or chronic use of nonsteroidal anti-inflammatory agents). Renal function should be evaluated prior to and during therapy with adefovir dipivoxil. Patients with renal insufficiency at baseline or during treatment may require dosage adjustment in accordance with the manufacturer's product labeling.

References

  1. (2022) "Product Information. Hepsera (adefovir)." Gilead Sciences

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Drug and food interactions

No alcohol/food interactions were found. However, this does not necessarily mean no interactions exist. Always consult your healthcare provider.

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.


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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.