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Drug Interactions between Cardoxin and Isocaine with Levonordefrin

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

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Interactions between your drugs

Moderate

digoxin levonordefrin

Applies to: Cardoxin (digoxin) and Isocaine with Levonordefrin (levonordefrin / mepivacaine)

MONITOR: The concomitant use of sympathomimetic agents and cardiac glycosides may increase the risk of cardiac arrhythmias. The mechanism of this interaction is not known. Increased ectopic pacemaker activity has been reported to occur in patients taking digoxin in combination with pseudoephedrine.

MANAGEMENT: Caution should be exercised if these two drugs are coadministered. Electrocardiogram monitoring (ECG) is recommended. The use of epinephrine (adrenaline) with high doses of digitalis glycosides is not recommended.

References

  1. "Product Information. Isuprel (isoproterenol)." Sanofi Winthrop Pharmaceuticals PROD (2001):
  2. "Product Information. Lanoxin (digoxin)." Glaxo Wellcome PROD (2001):
  3. "Product Information. EPINEPHrine Hydrochloride (EPINEPHrine)." Abbott Pharmaceutical (2022):
  4. "Product Information. Claritin-D (loratadine-pseudoephedrine)." Schering-Plough PROD (2001):
  5. "Product Information. Allegra-D (fexofenadine-pseudoephedrine)." Chattem Consumer Products PROD (2001):
  6. Cerner Multum, Inc. "UK Summary of Product Characteristics." O 0
  7. Cerner Multum, Inc. "Australian Product Information." O 0
View all 7 references

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Drug and food interactions

Minor

digoxin food

Applies to: Cardoxin (digoxin)

Administration of digoxin with a high-fiber meal has been shown to decrease its bioavailability by almost 20%. Fiber can sequester up to 45% of the drug when given orally. Patients should be advised to maintain a regular diet without significant fluctuation in fiber intake while digoxin is being titrated.

Grapefruit juice may modestly increase the plasma concentrations of digoxin. The mechanism is increased absorption of digoxin due to mild inhibition of intestinal P-glycoprotein by certain compounds present in grapefruits. In 12 healthy volunteers, administration of grapefruit juice with and 30 minutes before, as well as 3.5, 7.5, and 11.5 hours after a single digoxin dose (0.5 mg) increased the mean area under the plasma concentration-time curve (AUC) of digoxin by just 9% compared to administration with water. Moreover, P-glycoprotein genetic polymorphism does not appear to influence the magnitude of the effects of grapefruit juice on digoxin. Thus, the interaction is unlikely to be of clinical significance.

References

  1. Darcy PF "Nutrient-drug interactions." Adverse Drug React Toxicol Rev 14 (1995): 233-54
  2. Becquemont L, Verstuyft C, Kerb R, et al. "Effect of grapefruit juice on digoxin pharmacokinetics in humans." Clin Pharmacol Ther 70 (2001): 311-6

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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.

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