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The Clinical Guide to Supportive and Palliative Care for HIV/AIDS

The Clinical Guide to Supportive and Palliative Care for HIV/AIDS

The Clinical Guide to Supportive and Palliative Care for HIV/AIDS

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A <strong>Clinical</strong> <strong>Guide</strong> <strong>to</strong> <strong>Supportive</strong> <strong>and</strong> <strong>Palliative</strong> <strong>Care</strong> <strong>for</strong> <strong>HIV</strong>/<strong>AIDS</strong> • Chapter 27: Pharmacologic Interactions of <strong>Clinical</strong> SignificanceTable 27-12:26 picasDisease States<strong>and</strong> MedicationsClonazepam, perphenazine,risperidone, <strong>and</strong>thioridazineSummary of Significant Drug-Drug Interactionsin <strong>Palliative</strong> <strong>Care</strong> of <strong>HIV</strong> Disease (continued)Protease Inhibi<strong>to</strong>rsRi<strong>to</strong>navir Indinavir Nelfinavir(Norvir) (Crixivan) (Viracept)↑ plasma conc. ofthese drugs*Inducers such as pheny<strong>to</strong>in, phenobarbital, <strong>and</strong> carbamazepines cancause a reduction in plasma conc. of PIsANALGESICSNS<strong>AIDS</strong>OpiatesErgotamines↑ plasma conc. ofPiroxicam↑ plasma conc. ofmeperidine,propoxyphene,fentanyl, &tramadol ∴↓ dose↑ in plasma conc.∴results in seriousor life-threateningarrhythmias↑ in plasma conc.∴results in seriousor life-threateningarrhythmias↑ in plasma conc.∴results in seriousor life-threateningarrhythmiasMethadone↑ plasma conc. due<strong>to</strong> a ↓ in itsmetabolism↑ plasma conc. due<strong>to</strong> a ↓ in itsmetabolism↑ plasma conc. due<strong>to</strong> a ↓ in itsmetabolism↓ plasma conc. due<strong>to</strong> displacementfrom PPB <strong>and</strong> ↑ inits metabolismOTHER MEDICATIONSRifampin <strong>and</strong> rifabutinRifampin ↓ plasmaconc. of PIsSignificantly ↑ theplasma conc. ofrifabutinSignificantly ↑ theplasma conc. ofrifabutinSignificantly ↑ theplasma conc. ofrifabutin↓ clearance ofrifabutin↓ clearance ofrifabutinRifampin ↓ plasmaconc. of PIsRifampin ↓ plasmaconc. of PIsKe<strong>to</strong>conazole <strong>and</strong>itraconazole↑ plasma conc. ofPIs↑ plasma conc. ofPIs↑ plasma conc. ofPIsXXVIIU.S. Department of Health <strong>and</strong> Human Services • Health Resources <strong>and</strong> Services Administration • <strong>HIV</strong>/<strong>AIDS</strong> Bureau 575

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