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Drug Interactions between Digitek and lasmiditan

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

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Interactions between your drugs

Moderate

digoxin lasmiditan

Applies to: Digitek (digoxin) and lasmiditan

MONITOR: Coadministration of lasmiditan and agents that lower heart rate may increase the risk of bradycardia. In clinical trials, lasmiditan was associated with heart rate decreases of 5 to 10 beats per minute (bpm) while placebo was associated with decreases of 2 to 5 bpm. In a drug interaction study, a single 200 mg dose of lasmiditan led to an additional heart rate decrease of 5 bpm when given with propranolol.

MANAGEMENT: Caution is advised during coadministration of lasmiditan and agents that lower heart rate if the estimated decrease in heart rate may present a clinical risk. Consider monitoring heart rate in patients for whom the estimated decrease in heart rate may not be tolerated.

References (1)
  1. (2019) "Product Information. Reyvow (lasmiditan)." Lilly, Eli and Company

Drug and food interactions

Minor

digoxin food

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

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.

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