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Drug Interactions between posaconazole and Protopic

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

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Interactions between your drugs

Moderate

tacrolimus topical posaconazole

Applies to: Protopic (tacrolimus topical) and posaconazole

Consumer information for this interaction is not currently available.

MONITOR: Theoretically, coadministration with CYP450 3A4 inhibitors may increase the plasma concentrations of topical tacrolimus. The proposed mechanism involves inhibition of CYP450 3A4-mediated metabolism of tacrolimus, which is primary metabolized by this isoenzyme. However, systemic exposure from topical tacrolimus is reported to be minimal (less than 1 ng/mL) and so clinically significant drug interactions are not expected. Nevertheless, the possibility of an interaction cannot be ruled out.

MANAGEMENT: According to the manufacturer, caution is advised if topical tacrolimus is prescribed with CYP450 3A4 inhibitors. Patients should be monitored for systemic tacrolimus adverse effects including immunosuppression, infection, hyperkalemia, malignancy, nephrotoxicity, neurotoxicity, and hypertension.

Drug and food interactions

Moderate

posaconazole food

Applies to: posaconazole

Food significantly increases the absorption of posaconazole from the tablet or suspension formulations. The manufacturer recommends that you take the tablet with food and the oral suspension during or immediately (within 20 minutes) after a full meal. If you cannot eat a full meal, you should take the oral suspension with a liquid nutritional supplement like Ensure or an acidic carbonated beverage like ginger ale. Do not take these medications on an empty stomach, as it may lead to inadequate blood levels and reduced effectiveness. Ask your doctor before using alcohol together with posaconazole from delayed release suspension formulations as this may cause an increase in side effects. Talk to your doctor or pharmacist if you have any questions on how to use the medication properly.

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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