藥物交互作用
Atazanavir + Omeprazole
嚴重程度: 嚴重
Atazanavir and Omeprazole: major interaction.
最後更新
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摘要
Atazanavir needs an acidic environment to dissolve, and omeprazole substantially lowers its plasma concentrations. This can cause loss of virologic control and resistance.
用白話說明這項交互作用的意義
Atazanavir and Omeprazole 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.
Atazanavir belongs to Anti Virals; Omeprazole belongs to Gastrointestinal Tract.
為什麼會發生
Increased gastric pH reduces atazanavir solubility and absorption.
處置方式
Avoid PPIs in treatment-experienced patients. In naive patients, use no more than omeprazole 20 mg daily, taken about 12 hours before ritonavir-boosted atazanavir.
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?
Omeprazole 的其他交互作用
Atazanavir 的其他交互作用
常見問題
Can I take Atazanavir with Omeprazole?
MediHelp rates the interaction as major. Atazanavir and Omeprazole 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. Atazanavir needs an acidic environment to dissolve, and omeprazole substantially lowers its plasma concentrations. This can cause loss of virologic control and resistance.
How serious is the interaction between Atazanavir and Omeprazole?
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 PPIs in treatment-experienced patients. In naive patients, use no more than omeprazole 20 mg daily, taken about 12 hours before ritonavir-boosted atazanavir.
What other medicines interact with Omeprazole?
MediHelp also lists interactions of Omeprazole with, for example, Mavacamten, Rilpivirine, Acalabrutinib. The full list is on the Omeprazole page.
在 MediHelp App 中取得完整藥品專論、劑量資訊與交互作用檢查
在 MediHelp App 中開啟完整參考資料、檢查多種藥物間的交互作用，並使用劑量工具。
