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Drug Interactions between alvimopan and PP-Cap

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

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Interactions between your drugs

Major

propoxyphene alvimopan

Applies to: PP-Cap (propoxyphene) and alvimopan

CONTRAINDICATED: Recent exposure to opioids can increase the sensitivity to mu opioid receptor antagonists.

MANAGEMENT: The use of alvimopan is contraindicated in patients who have received therapeutic doses of opioids for more than 7 consecutive days immediately prior to alvimopan administration. Caution is advised in patients who have received more than 3 doses of an opioid within the week prior to surgery, as these patients were not studied in the postoperative ileus clinical trials. Patients with recent exposure to opioids should be monitored for increased adverse effects such as abdominal pain, nausea and vomiting, and diarrhea.

References

  1. "Product Information. Entereg (alvimopan)." GlaxoSmithKline (2008):

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Drug and food interactions

Major

propoxyphene food

Applies to: PP-Cap (propoxyphene)

GENERALLY AVOID: Alcohol may have additive CNS- and/or respiratory-depressant effects with propoxyphene. Misuse of propoxyphene, either alone or in combination with other CNS depressants, has been a major cause of drug-related deaths, particularly in patients with a history of emotional disturbances, suicidal ideation, or alcohol and drug abuse.

MANAGEMENT: The use of alcohol during propoxyphene therapy should be avoided. Patients should be warned not to exceed the recommended dosage of propoxyphene and to avoid activities requiring mental alertness until they know how these agents affect them.

References

  1. "Product Information. Darvon (propoxyphene)." Lilly, Eli and Company PROD (2001):

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Minor

alvimopan food

Applies to: alvimopan

Coadministration with a high-fat meal may decrease the rate and extent of alvimopan absorption. According to the product labeling, alvimopan peak plasma concentration (Cmax) and systemic exposure (AUC) were decreased by approximately 38% and 21%, respectively, and the time to reach peak plasma concentration (Tmax) was prolonged by approximately 1 hour when taken with a high-fat meal. The clinical significance is unknown. In postoperative ileus clinical trials, the preoperative dose of alvimopan was administered in a fasting state, and subsequent doses were given without regard to meals.

References

  1. "Product Information. Entereg (alvimopan)." GlaxoSmithKline (2008):

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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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