藥物交互作用
Letermovir + Phenobarbitone
嚴重程度: 嚴重
Letermovir and Phenobarbitone: major 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
Phenobarbitone may lower letermovir plasma concentrations, which could compromise prevention of cytomegalovirus infection in transplant recipients. Labeling advises against the combination.
用白話說明這項交互作用的意義
Letermovir and Phenobarbitone 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.
Letermovir belongs to Anti Virals; Phenobarbitone belongs to Central Nervous System.
為什麼會發生
Enzyme induction by phenobarbitone (including UGT and CYP pathways) increases letermovir clearance.
處置方式
Avoid the combination and choose a non-inducing anticonvulsant where possible. If it cannot be avoided, monitor for CMV breakthrough.
可向藥師詢問的問題
- 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?
Letermovir 的其他交互作用
Phenobarbitone 的其他交互作用
常見問題
Can I take Letermovir with Phenobarbitone?
MediHelp rates the interaction as major. Letermovir and Phenobarbitone 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. Phenobarbitone may lower letermovir plasma concentrations, which could compromise prevention of cytomegalovirus infection in transplant recipients. Labeling advises against the combination.
How serious is the interaction between Letermovir and Phenobarbitone?
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 choose a non-inducing anticonvulsant where possible. If it cannot be avoided, monitor for CMV breakthrough.
What other medicines interact with Letermovir?
MediHelp also lists interactions of Letermovir with, for example, Ergotamine, Pimozide, Apalutamide. The full list is on the Letermovir page.
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