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Drug Interactions between aspirin and epoprostenol

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

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Interactions between your drugs

Moderate

aspirin epoprostenol

Applies to: aspirin and epoprostenol

MONITOR: Prostacyclin/prostacyclin analogs (e.g., epoprostenol, iloprost, treprostinil) inhibit platelet aggregation and may theoretically potentiate the risk of bleeding in patients treated with other agents that affect hemostasis such as anticoagulants, platelet inhibitors, thrombin inhibitors, thrombolytic agents, or agents that commonly cause thrombocytopenia. In clinical trials for pulmonary hypertension, patients received concomitant anticoagulants and/or nonsteroidal anti-inflammatory agents without evidence of increased bleeding.

MANAGEMENT: Caution is advised if prostacyclin and prostacyclin analogs are used in combination with other drugs that affect hemostasis. Close clinical and laboratory observation for hemorrhagic complications is recommended. Patients should be advised to promptly report any signs of bleeding to their physician, including pain, swelling, headache, dizziness, weakness, prolonged bleeding from cuts, increased menstrual flow, vaginal bleeding, nosebleeds, bleeding of gums from brushing, unusual bleeding or bruising, red or brown urine, or red or black stools.

References

  1. "Product Information. Flolan (epoprostenol)." Glaxo Wellcome PROD (2001):
  2. "Product Information. Remodulin (treprostinil)." United Therapeutics Corporation (2002):
  3. "Product Information. Ventavis (iloprost)." Actelion Pharmaceuticals US Inc (2005):

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Drug and food interactions

Moderate

aspirin food

Applies to: aspirin

GENERALLY AVOID: The concurrent use of aspirin or nonsteroidal anti-inflammatory drugs (NSAIDs) and ethanol may lead to gastrointestinal (GI) blood loss. The mechanism may be due to a combined local effect as well as inhibition of prostaglandins leading to decreased integrity of the GI lining.

MANAGEMENT: Patients should be counseled on this potential interaction and advised to refrain from alcohol consumption while taking aspirin or NSAIDs.

References

  1. "Product Information. Motrin (ibuprofen)." Pharmacia and Upjohn PROD (2002):

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Minor

aspirin food

Applies to: aspirin

One study has reported that coadministration of caffeine and aspirin lead to a 25% increase in the rate of appearance and 17% increase in maximum concentration of salicylate in the plasma. A significantly higher area under the plasma concentration time curve of salicylate was also reported when both drugs were administered together. The exact mechanism of this interaction has not been specified. Physicians and patients should be aware that coadministration of aspirin and caffeine may lead to higher salicylate levels faster.

References

  1. Yoovathaworn KC, Sriwatanakul K, Thithapandha A "Influence of caffeine on aspirin pharmacokinetics." Eur J Drug Metab Pharmacokinet 11 (1986): 71-6

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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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