Drug Interaction Report
1 potential interaction and/or warning found for the following 2 drugs:
- busulfan
- Ketek (telithromycin)
Interactions between your drugs
busulfan telithromycin
Applies to: busulfan, Ketek (telithromycin)
MONITOR: Coadministration with telithromycin may increase the plasma concentrations of drugs that are substrates of the CYP450 3A4 isoenzyme. The mechanism is decreased clearance due to inhibition of CYP450 3A4 activity by telithromycin.
MANAGEMENT: Caution is advised if telithromycin must be used concurrently with medications that undergo metabolism by CYP450 3A4, particularly those with a narrow therapeutic range. Dosage adjustments as well as clinical and laboratory monitoring may be appropriate for some drugs whenever telithromycin is added to or withdrawn from therapy.
References (2)
- (2004) "Product Information. Ketek (telithromycin)." Aventis Pharmaceuticals
- European Agency for the Evaluation of Medicinal Products. Committee for Proprietary Medicinal Products (2004) European Public Assessment Report Ketek (telithromycin) (Rev. 2) http:www.emea.eu.int/humandocs/Humans/EPAR/Ketek/Ketek.htm
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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