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Drug Interactions between betrixaban and PosiFlush

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

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Interactions between your drugs

Moderate

heparin flush betrixaban

Applies to: PosiFlush (heparin flush) and betrixaban

MONITOR: Concomitant use of heparin flush and drugs that interfere with platelet function or coagulation or drugs that commonly cause thrombocytopenia may potentiate the risk of bleeding complications. Although uncommon, inadvertent anticoagulation resulting in hemorrhagic events may occur with heparin flushes, particularly during repeated or excessive use or administration of higher concentration flush solutions.

MANAGEMENT: Caution and monitoring (e.g., platelet counts, hematocrits, tests for occult blood in stools) are advised when heparin flushes are given to patients receiving systemic anticoagulants, platelet inhibitors, antithrombotic agents, thrombolytics, or drugs with known risks of thrombocytopenia or bleeding. An unexplained fall in hematocrit, fall in blood pressure, or any other unexplained symptom should lead to serious consideration of a hemorrhagic event.

References (4)
  1. Passannante A, Macik BG (1988) "The heparin flush syndrome: a cause of iatrogenic hemorrhage." Am J Med Sci, 296, p. 71-3
  2. (2022) "Product Information. Heparin Sodium in Sodium Chloride (heparin flush)." Baxter Healthcare Corporation
  3. (2018) "Product Information. Canusal (heparin flush)." Wockhardt UK Ltd
  4. (2022) "Product Information. Heparinised Saline (Pfizer) (heparinised saline)." Pfizer Australia Pty Ltd, pfphepsi10922

Drug and food interactions

Moderate

betrixaban food

Applies to: betrixaban

ADJUST DOSING INTERVAL: Food reduces the oral bioavailability of betrixaban. When administered with a low-fat (900 calories; 20% fat) or high-fat (900 calories; 60% fat) meal, betrixaban peak plasma concentration (Cmax) and systemic exposure (AUC) decreased relative to administration in the fasting state by an average of 70% and 61%, respectively, with the low-fat meal and 50% and 48%, respectively, with the high-fat meal. The effect of food on betrixaban pharmacokinetics could be observed for up to 6 hours after meal intake.

MANAGEMENT: The manufacturer recommends taking betrixaban at the same time each day with food.

References (1)
  1. (2017) "Product Information. Bevyxxa (betrixaban)." Portola Pharmaceuticals

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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