Drug Interaction Report
1 potential interaction and/or warning found for the following 2 drugs:
- testosterone topical
- Tracleer (bosentan)
Interactions between your drugs
testosterone topical bosentan
Applies to: testosterone topical, Tracleer (bosentan)
MONITOR: Coadministration with bosentan may decrease the plasma concentrations of drugs that are substrates of the CYP450 2C9 and/or 3A4 isoenzymes. The mechanism is accelerated clearance due to induction of those isoenzymes by bosentan.
MANAGEMENT: When drugs that are known substrates of CYP450 2C9 and/or 3A4 are coadministered with bosentan, the possibility of a diminished therapeutic response to those drugs should be considered. Dosage adjustments as well as clinical and laboratory monitoring may be appropriate for some drugs, particularly those with a narrow therapeutic range, whenever bosentan is added to or withdrawn from therapy.
References (1)
- (2001) "Product Information. Tracleer (bosentan)." Actelion Pharmaceuticals US Inc
Drug and food 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.
Therapeutic duplication warnings
No duplication 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.
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Drug Interaction Classification
| Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit. | |
| Moderately clinically significant. Usually avoid combinations; use it only under special circumstances. | |
| 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. | |
| No interaction information available. |
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Further information
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