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藥物交互作用

Phenobarbital + Sofosbuvir-velpatasvir-voxilaprevir

嚴重程度: 禁忌併用

Phenobarbital and Sofosbuvir-velpatasvir-voxilaprevir: 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

Phenobarbital is an inducer of CYP3A4 and P-gp and can markedly lower concentrations of sofosbuvir, velpatasvir and voxilaprevir. This can lead to HCV treatment failure.

用白話說明這項交互作用的意義

Phenobarbital and Sofosbuvir-velpatasvir-voxilaprevir 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

Phenobarbital induces CYP3A4, CYP2B6 and P-gp, which increases clearance of the HCV drugs.

處置方式

Do not coadminister; switch to a non-inducing anticonvulsant, or defer HCV treatment.

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 Phenobarbital 與 Sofosbuvir-velpatasvir-voxilaprevir 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 Phenobarbital with Sofosbuvir-velpatasvir-voxilaprevir?

MediHelp rates the interaction as contraindicated. Phenobarbital and Sofosbuvir-velpatasvir-voxilaprevir 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. Phenobarbital is an inducer of CYP3A4 and P-gp and can markedly lower concentrations of sofosbuvir, velpatasvir and voxilaprevir. This can lead to HCV treatment failure.

How serious is the interaction between Phenobarbital and Sofosbuvir-velpatasvir-voxilaprevir?

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 coadminister; switch to a non-inducing anticonvulsant, or defer HCV treatment.

What other medicines interact with Sofosbuvir-velpatasvir-voxilaprevir?

MediHelp also lists interactions of Sofosbuvir-velpatasvir-voxilaprevir with, for example, Fosphenytoin, Phenytoin, Primidone. The full list is on the Sofosbuvir-velpatasvir-voxilaprevir page.

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