Interações medicamentosas
Conivaptan + Red yeast rice
Gravidade: Grave
Conivaptan and Red yeast rice: major interaction.
Última atualização
Para profissionais de saúde — apenas referência. Esta página é um resumo breve, não é aconselhamento médico nem substitui a bula oficial ou o julgamento clínico. Verifique sempre antes de prescrever ou dispensar.
O conteúdo clínico desta página está disponível apenas em inglês.
Resumo
Red yeast rice supplies monacolin K, identical to lovastatin, which relies on CYP3A4 for clearance. Conivaptan is a potent CYP3A4 inhibitor, so monacolin K levels may rise and increase the risk of myopathy.
O que esta interação significa em palavras simples
Conivaptan and Red yeast rice can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Por que acontece
Conivaptan inhibits CYP3A4, decreasing monacolin K metabolism.
O que fazer
Avoid the combination and withhold red yeast rice during conivaptan therapy. Monitor for muscle symptoms and creatine kinase if exposure occurs.
O que perguntar ao farmacêutico
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Outras interações de Red yeast rice
- Red yeast rice + Ritonavir Contraindicada
- Red yeast rice + Saquinavir Contraindicada
- Red yeast rice + Tipranavir Contraindicada
- Atazanavir + Red yeast rice Grave
- Atorvastatin + Red yeast rice Grave
- Cyclosporine + Red yeast rice Grave
Perguntas frequentes
Can I take Conivaptan with Red yeast rice?
MediHelp rates the interaction as major. Conivaptan and Red yeast rice can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Red yeast rice supplies monacolin K, identical to lovastatin, which relies on CYP3A4 for clearance. Conivaptan is a potent CYP3A4 inhibitor, so monacolin K levels may rise and increase the risk of myopathy.
How serious is the interaction between Conivaptan and Red yeast rice?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination and withhold red yeast rice during conivaptan therapy. Monitor for muscle symptoms and creatine kinase if exposure occurs.
What other medicines interact with Red yeast rice?
MediHelp also lists interactions of Red yeast rice with, for example, Ritonavir, Saquinavir, Tipranavir. The full list is on the Red yeast rice page.
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