Interaksi Fosamprenavir dan Nirmatrelvir dan ritonavir
Fosamprenavir dan Nirmatrelvir dan ritonavir: kedua label peresepan menandai kombinasi ini dengan bahasa yang paling tegas, seperti kontraindikasi, peringatan kotak hitam, atau instruksi untuk menghindarinya.
Jangan dikombinasikan tanpa arahan dokter yang meresepkan. Bahasa label di bawah ini adalah yang paling tegas yang digunakan FDA.
Apa kata label FDA
Dari label Fosamprenavir (Fosamprenavir Calcium) · berlaku sejak 2026-06-30
The list of contraindicated drugs applies to the use of fosamprenavir calcium with or without ritonavir, unless otherwise indicated.
If fosamprenavir calcium is coadministered with ritonavir, reference should be made to the full prescribing information for ritonavir for additional contraindications.
Fosamprenavir calcium is contraindicated when coadministered with the following drugs: Alpha 1-adrenoreceptor antagonist: Alfuzosin Antiarrhythmics: Flecainide (with ritonavir ), propafenone (with ritonavir ) Antimycobacterial: Rifampin Antipsychotic: Lurasidone (with ritonavir ), pimozide Ergot derivatives: Dihydroergotamine, ergonovine, ergotamine, methylergonovine…
Review ritonavir contraindications when used in combination.
…clinically significant adverse reactions, potentially leading to severe, life-threatening, or fatal events from greater exposures of concomitant medications. clinically significant adverse reactions from greater exposures of fosamprenavir calcium/ritonavir. loss of therapeutic effect of fosamprenavir calcium/ritonavir and possible development of resistance.
Dari label Nirmatrelvir dan ritonavir (Paxlovid) · berlaku sejak 2026-02-19
• HIV-1 Drug Resistance: PAXLOVID use may lead to a risk of HIV-1 developing resistance to HIV protease inhibitors in individuals with uncontrolled or undiagnosed HIV-1 infection.
Risk of HIV-1 Resistance Development Because nirmatrelvir is co-administered with ritonavir, there may be a risk of HIV-1 developing resistance to HIV protease inhibitors in individuals with uncontrolled or undiagnosed HIV-1 infection [see Contraindications (4) and Drug Interactions (7) ] .
Monitor for increased PAXLOVID or protease inhibitor adverse events .
Anti-HIV protease inhibitors atazanavir, darunavir, tipranavir ↑ protease inhibitor For further information, refer to the respective protease inhibitors' prescribing information.
Anti-HIV efavirenz, maraviroc, nevirapine, zidovudine, bictegravir/ emtricitabine/ tenofovir ↑ efavirenz ↑ maraviroc ↑ nevirapine ↓ zidovudine ↑ bictegravir ↔ emtricitabine ↑ tenofovir For further information, refer to the respective anti-HIV drugs prescribing information.
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