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藥物交互作用

Elbasvir / grazoprevir + Phenytoin

嚴重程度: 禁忌併用

Elbasvir / grazoprevir and Phenytoin: contraindicated interaction.

最後更新

僅供醫療專業人員參考。本頁為簡要摘要，並非醫療建議，亦不能取代官方仿單或臨床判斷。開立處方或調劑前請務必核實。

本頁的臨床內容僅提供英文版。

摘要

Phenytoin is expected to reduce elbasvir and grazoprevir concentrations, increasing the risk of hepatitis C treatment failure.

用白話說明這項交互作用的意義

Elbasvir / grazoprevir and Phenytoin are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two.

證據等級: High

為什麼會發生

Phenytoin induces CYP3A4 and P-glycoprotein, which clear both components.

處置方式

Do not co-administer; use a non-inducing anticonvulsant or choose another HCV regimen compatible with phenytoin.

可向藥師詢問的問題

  • Is there an alternative to one of these two medicines for me?
  • If both are essential, who is monitoring me and how often?
  • Which symptoms mean I should stop and seek help straight away?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

Pro+ 會員專屬

解鎖完整頁面

建立帳號並開始 Pro+ 試用，即可解鎖 Elbasvir / grazoprevir 與 Phenytoin 的完整臨床處置建議、補充說明、證據詳情及整張處方的交互作用檢查工具。

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription
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常見問題

Can I take Elbasvir / grazoprevir with Phenytoin?

MediHelp rates the interaction as contraindicated. Elbasvir / grazoprevir and Phenytoin are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two. Phenytoin is expected to reduce elbasvir and grazoprevir concentrations, increasing the risk of hepatitis C treatment failure.

How serious is the interaction between Elbasvir / grazoprevir and Phenytoin?

MediHelp rates it contraindicated, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Do not co-administer; use a non-inducing anticonvulsant or choose another HCV regimen compatible with phenytoin.

What other medicines interact with Phenytoin?

MediHelp also lists interactions of Phenytoin with, for example, Artemether / lumefantrine, Bictegravir, Cabotegravir. The full list is on the Phenytoin page.

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