藥物交互作用
Amlodipine-atorvastatin + Atazanavir
嚴重程度: 嚴重
Amlodipine-atorvastatin and Atazanavir: major interaction.
最後更新
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摘要
Atazanavir inhibits CYP3A4 and raises amlodipine exposure, and boosted regimens with ritonavir or cobicistat also raise atorvastatin exposure. This increases the risk of hypotension, edema and statin myopathy.
用白話說明這項交互作用的意義
Amlodipine-atorvastatin and Atazanavir 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.
Amlodipine-atorvastatin belongs to Cardiovascular; Atazanavir belongs to Anti Virals.
為什麼會發生
Inhibition of CYP3A4 (and OATP with boosters) reduces clearance of amlodipine and atorvastatin.
處置方式
Use a reduced amlodipine dose, with separate agents, and monitor blood pressure and ECG for PR prolongation. Keep atorvastatin at the lowest effective dose and watch for muscle symptoms.
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?
Amlodipine-atorvastatin 的其他交互作用
Atazanavir 的其他交互作用
常見問題
Can I take Amlodipine-atorvastatin with Atazanavir?
MediHelp rates the interaction as major. Amlodipine-atorvastatin and Atazanavir 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 inhibits CYP3A4 and raises amlodipine exposure, and boosted regimens with ritonavir or cobicistat also raise atorvastatin exposure. This increases the risk of hypotension, edema and statin myopathy.
How serious is the interaction between Amlodipine-atorvastatin and Atazanavir?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use a reduced amlodipine dose, with separate agents, and monitor blood pressure and ECG for PR prolongation. Keep atorvastatin at the lowest effective dose and watch for muscle symptoms.
What other medicines interact with Amlodipine-atorvastatin?
MediHelp also lists interactions of Amlodipine-atorvastatin with, for example, Amifostine, Apalutamide, Clarithromycin. The full list is on the Amlodipine-atorvastatin page.
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