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Drug Interactions between Dristan Sinus and ibritumomab

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

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Interactions between your drugs

Major

ibuprofen ibritumomab tiuxetan

Applies to: Dristan Sinus (ibuprofen / pseudoephedrine) and ibritumomab

MONITOR CLOSELY: Coadministration of radiolabeled ibritumomab tiuxetan and drugs that interfere with platelet function or coagulation may potentiate the risk of bleeding complications. Radiolabeled ibritumomab tiuxetan commonly causes severe and prolonged thrombocytopenia, and the risk is increased further in patients with mild thrombocytopenia at the initiation of therapy. Haemorrhage, including fatal cerebral hemorrhage, has occurred in a minority of patients in clinical studies. The median time to thrombocyte nadir was 7 to 9 weeks, and the median duration of thrombocytopenia was 22 to 35 days. However, in less than 5% of the cases, patients experienced severe cytopenia that extended beyond 12 weeks following administration of the radiolabeled ibritumomab tiuxetan therapeutic regimen. Platelet transfusions were given to 22% of patients in clinical trials.

MANAGEMENT: Caution is advised if radiolabeled ibritumomab tiuxetan is used in combination with drugs that interfere with platelet function or coagulation. Close clinical and laboratory observation for bleeding complications is recommended during and after treatment.

References

  1. "Product Information. In-111 Zevalin (ibritumomab tiuxetan)." IDEC Pharmaceuticals Corporation PROD

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Drug and food interactions

Moderate

ibuprofen food

Applies to: Dristan Sinus (ibuprofen / pseudoephedrine)

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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Moderate

pseudoephedrine food

Applies to: Dristan Sinus (ibuprofen / pseudoephedrine)

MONITOR: Coadministration of two or more sympathomimetic agents may increase the risk of adverse effects such as nervousness, irritability, and increased heart rate. Central nervous system (CNS) stimulants, particularly amphetamines, can potentiate the adrenergic response to vasopressors and other sympathomimetic agents. Additive increases in blood pressure and heart rate may occur due to enhanced peripheral sympathetic activity.

MANAGEMENT: Caution is advised if two or more sympathomimetic agents are coadministered. Pulse and blood pressure should be closely monitored.

References

  1. Rosenblatt JE, Lake CR, van Kammen DP, Ziegler MG, Bunney WE Jr "Interactions of amphetamine, pimozide, and lithium on plasma norepineophrine and dopamine-beta-hydroxylase in schizophrenic patients." Psychiatry Res 1 (1979): 45-52
  2. Cavanaugh JH, Griffith JD, Oates JA "Effect of amphetamine on the pressor response to tyramine: formation of p-hydroxynorephedrine from amphetamine in man." Clin Pharmacol Ther 11 (1970): 656
  3. "Product Information. Adderall (amphetamine-dextroamphetamine)." Shire Richwood Pharmaceutical Company Inc PROD (2001):
  4. "Product Information. Tenuate (diethylpropion)." Aventis Pharmaceuticals PROD (2001):
  5. "Product Information. Sanorex (mazindol)." Novartis Pharmaceuticals PROD (2001):
  6. "Product Information. Focalin (dexmethylphenidate)." Mikart Inc (2001):
  7. "Product Information. Strattera (atomoxetine)." Lilly, Eli and Company (2002):
View all 7 references

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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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