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Drug Interactions between Mepron and remdesivir

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

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Interactions between your drugs

Moderate

atovaquone remdesivir

Applies to: Mepron (atovaquone) and remdesivir

MONITOR: Concomitant use of remdesivir with other agents that are known to induce hepatotoxicity may theoretically increase the risk of liver injury. Data from investigational use and clinical studies suggest that remdesivir may be associated with transaminase elevations. Transient treatment-emergent Grade 1 or Grade 2 elevations in alanine aminotransferase (ALT) and aspartate aminotransferase (AST) were observed during multiple-dose Phase 1 studies in healthy volunteers. The mechanism of potential hepatotoxicity is unknown and the contribution of remdesivir is difficult to determine, as transaminase elevations have also been reported as a component of COVID-19, including in patients receiving placebo in clinical trials of remdesivir.

MANAGEMENT: Caution and increased monitoring may be required if remdesivir is given concurrently with other agents associated with liver injury. Hepatic function should be evaluated prior to starting remdesivir and during treatment as clinically appropriate. The manufacturer of remdesivir recommends considering discontinuation of remdesivir if ALT levels increase to greater than 10 times the upper limit of normal. Additionally, the manufacturer recommends discontinuing remdesivir if ALT elevation is accompanied by signs or symptoms of liver inflammation. The labeling of the other agent(s) involved should also be consulted as they may contain dose adjustment or discontinuation recommendations for those agent(s) in the event of hepatotoxicity.

References (4)
  1. (2024) "Product Information. Veklury (remdesivir)." Gilead Sciences Pty Ltd, 7.0
  2. (2025) "Product Information. Veklury (remdesivir)." Gilead Sciences
  3. (2024) "Product Information. Veklury (remdesivir)." Gilead Sciences Canada Inc
  4. (2025) "Product Information. Veklury (remdesivir)." Gilead Sciences Ltd

Drug and food interactions

Moderate

atovaquone food

Applies to: Mepron (atovaquone)

ADJUST DOSING INTERVAL: Food, particularly high-fat food, significantly enhances the oral absorption and bioavailability of atovaquone. In 16 healthy volunteers, administration of a single 750 mg dose of atovaquone suspension following a standard breakfast (23 g fat: 610 kCal) resulted in an approximately 3.4-fold increase in the mean peak plasma concentration (Cmax) and a 2.5-fold increase in the mean area under the plasma concentration-time curve (AUC) of atovaquone compared to administration following an overnight fast. In a study consisting of 19 HIV-infected volunteers receiving atovaquone suspension 500 mg/day, Cmax and AUC of atovaquone increased by 72% and 66%, respectively, in the fed state relative to the fasting state.

MANAGEMENT: To ensure maximal oral absorption, atovaquone products (suspension, tablet, or in combination with proguanil) should be administered with a meal or milky drink, or enteral nutrition at the same time(s) each day. Because plasma atovaquone concentrations have been shown to correlate with the likelihood of successful treatment and in some cases, survival, alternative therapies may be appropriate for patients who have difficulty taking atovaquone with food.

References (3)
  1. (2001) "Product Information. Mepron (atovaquone)." Glaxo Wellcome
  2. (2001) "Product Information. Malarone (atovaquone-proguanil)." Glaxo Wellcome
  3. Wohlt PD, Zheng L, Gunderson S, Balzar SA, Johnson BD, Fish JT (2009) "Recommendations for the use of medications with continuous enteral nutrition." Am J Health Syst Pharm, 66, p. 1438-67

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.