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Drug Interactions between Meditest and Rescriptor

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

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Interactions between your drugs

Minor

testosterone delavirdine

Applies to: Meditest (testosterone) and Rescriptor (delavirdine)

Serum concentrations and effects of medications that are metabolized by the 3A4 enzymatic pathways may theoretically be elevated in patients receiving delavirdine. The mechanism is inhibition of these enzymes by delavirdine. The clinical significance is unknown. Monitoring for clinical and laboratory evidence of safety and tolerance is recommended. Dosage adjustments or alternatives may be needed if an interaction is suspected.

References

  1. Cheng CL, Smith DE, Carver PL, Cox SR, Watkins PB, Blake DS, Kauffman CA, Meyer KM, Amidon GL, Stetson PL "Steady-state pharmacokinetics of delavirdine in HIV-positive patients: Effect on erythromycin breath test." Clin Pharmacol Ther 61 (1997): 531-43
  2. "Product Information. Rescriptor (delavirdine)." Pharmacia and Upjohn PROD (2001):
  3. Barry M, Mulcahy F, Merry C, Gibbons S, Back D "Pharmacokinetics and potential interactions amongst antiretroviral agents used to treat patients with HIV infection." Clin Pharmacokinet 36 (1999): 289-304
  4. Voorman RL, Maio SM, Payne NA, Zhao Z, Koeplinger KA, Wang X "Microsomal metabolism of delavirdine: evidence for mechanism-based inactivation of human cytochrome P450 3A." J Pharmacol Exp Ther 287 (1998): 381-8
  5. vonMoltke LL, Greenblatt DJ, Granda BW, Giancarlo GM, Duan SX, Daily JP, Harmatz JS, Shader RI "Inhibition of human cytochrome P450 isoforms by nonnucleoside reverse transcriptase inhibitors." J Clin Pharmacol 41 (2001): 85-91
  6. Fichtenbaum CJ, Gerber JG "Interactions between antiretroviral drugs and drugs used for the therapy of the metabolic complications encountered during HIV infection." Clin Pharmacokinet 41 (2002): 1195-211
View all 6 references

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Drug and food interactions

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

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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