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Drug Interactions between mifepristone and pimecrolimus topical

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

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Interactions between your drugs

Minor

miFEPRIStone pimecrolimus topical

Applies to: mifepristone and pimecrolimus topical

Theoretically, coadministration with CYP450 3A inhibitors may increase the plasma concentrations of pimecrolimus, which has been shown in vitro to undergo metabolism by this subfamily of hepatic microsomal enzymes. Although clinically significant drug interactions are not expected due to minimal systemic absorption of topically administered pimecrolimus, the possibility cannot be ruled out. The manufacturer recommends caution in patients with widespread and/or erythrodermic disease.

References (1)
  1. (2002) "Product Information. Elidel (pimecrolimus topical)." Novartis Pharmaceuticals

Drug and food interactions

Moderate

miFEPRIStone food

Applies to: mifepristone

ADJUST DOSING INTERVAL: Food may significantly increase the plasma concentrations of mifepristone.

GENERALLY AVOID: Grapefruit juice may increase the plasma concentrations of mifepristone. The proposed mechanism is inhibition of CYP450 3A4-mediated first-pass metabolism in the gut wall by certain compounds present in grapefruit. Because pharmacokinetic interactions involving grapefruit juice are often subject to a high degree of interpatient variability, the extent to which a given patient may be affected is difficult to predict.

MANAGEMENT: When mifepristone is used daily to control hyperglycemia secondary to hypercortisolism in patients with endogenous Cushing's syndrome, it should be taken with food to achieve consistent plasma drug levels. Patients should be advised to avoid consuming grapefruit or grapefruit juice during treatment with mifepristone, as it may cause increased adverse effects such as headache, dizziness, fatigue, nausea, vomiting, cramping, diarrhea, hypokalemia, adrenal insufficiency, vaginal bleeding, arthralgia, peripheral edema, and hypertension. Because mifepristone is eliminated slowly from the body, the interaction with grapefruit juice may be observed for a prolonged period.

References (2)
  1. (2001) "Product Information. Mifeprex (mifepristone)." Danco Laboratories
  2. (2012) "Product Information. Korlym (mifepristone)." Corcept Therapeutics Incorporated

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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