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Drug Interaction Report

1 drug interaction and 5 additional warnings found for the following 2 drugs:

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Drug interactions

Minor drug interactions

Minor:

menthol topical RABEprazole

Applies to: Alegenix (capsaicin / menthol topical), rabeprazole

Coadministration with orally administered menthol may decrease plasma concentrations of drugs that are substrates of the CYP450 3A4 and/or CYP450 2C9 isoenzymes. The proposed mechanism is increased clearance due to menthol-mediated induction of CYP450 3A4 and CYP450 2C9. In vivo data suggests that concomitant administration of oral menthol reduced the systemic exposure (AUC) of triazolam (a CYP450 3A4 substrate) by 40%, and phenytoin (a CYP450 2C9 substrate) by 20%. Until further data are available, no specific precautions are recommended.

The information above is from our professional interaction data. Consumer information is not available for this interaction.

Food/lifestyle interactions

No alcohol/food interactions were found with the drugs in your list. However, this does not necessarily mean no food interactions exist. Always consult your healthcare provider.

Disease interactions

5 potential interactionsApplies to: 5 conditions, including Osteoporosis, Diarrhea, Liver Disease, Pseudomembranous Colitis, and Magnesium Imbalance.

Diarrhea

Major:

rabeprazole

RABEprazole has a major potential interaction with Diarrhea.

Published observational studies suggest that proton pump inhibitor (PPI) use may be associated with an increased risk of Clostridium difficile-associated diarrhea (CDAD), especially in hospitalized patients. This diagnosis should be considered for diarrhea that does not improve. It is recommended that patients should use the lowest dose and shortest duration of PPI therapy appropriate to the condition being treated. Close monitoring is recommended in patients with diarrhea and in those taking antibacterial agents as CDAD has been reported with the use of nearly all these agents. Treatment with antibacterial agents alters the normal flora of the colon, leading to overgrowth of C. difficile. C. difficile produces toxins A and B, which contribute to the development of CDAD. Appropriate fluid and electrolyte management, protein supplementation, antibiotic treatment of C. difficile, and surgical evaluation should be instituted as clinically indicated.

Liver Disease

Moderate:

rabeprazole

RABEprazole has a moderate potential interaction with Liver Disease.

Rabeprazole is primarily metabolized by the liver. Although the drug is generally well-tolerated, therapy with rabeprazole should be administered cautiously in patients with severe liver disease because of the lack of clinical data concerning its use in such patients. Dosage adjustments are not necessary in patients with mild to moderate hepatic impairment.

Magnesium Imbalance

Moderate:

rabeprazole

RABEprazole has a moderate potential interaction with Magnesium Imbalance.

Symptomatic and asymptomatic hypomagnesemia has been reported rarely in patients treated with PPIs for at least 3 months, in most cases after a year of therapy. Serious adverse events can include tetany, seizures, and arrhythmias. Caution should be used in patients prone to magnesium imbalances such as patients taking other medications that can cause hypomagnesemia (e.g., diuretics). Regular monitoring is recommended.

Osteoporosis

Moderate:

rabeprazole

RABEprazole has a moderate potential interaction with Osteoporosis.

Various published observational studies have reported that PPI therapy may be associated with an increased risk for osteoporosis related fractures of the hip, wrist or spine. The risk was increased in patients who received high doses (multiple daily doses), and long term treatment (a year or longer). Patients should use the lowest dose and shortest duration of PPI therapy appropriate to the condition being treated. Caution should be used in patients at risk for osteoporosis related fractures and should be managed according to established treatment guidelines.

Pseudomembranous Colitis

Major:

rabeprazole

RABEprazole has a major potential interaction with Pseudomembranous Colitis.

Published observational studies suggest that proton pump inhibitor (PPI) use may be associated with an increased risk of Clostridium difficile-associated diarrhea (CDAD), especially in hospitalized patients. This diagnosis should be considered for diarrhea that does not improve. It is recommended that patients should use the lowest dose and shortest duration of PPI therapy appropriate to the condition being treated. Close monitoring is recommended in patients with diarrhea and in those taking antibacterial agents as CDAD has been reported with the use of nearly all these agents. Treatment with antibacterial agents alters the normal flora of the colon, leading to overgrowth of C. difficile. C. difficile produces toxins A and B, which contribute to the development of CDAD. Appropriate fluid and electrolyte management, protein supplementation, antibiotic treatment of C. difficile, and surgical evaluation should be instituted as clinically indicated.

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.

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Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.