藥物交互作用
Carbidopa-levodopa + Chlorpromazine
嚴重程度: 嚴重
Carbidopa-levodopa and Chlorpromazine: major interaction.
最後更新
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摘要
Chlorpromazine is a potent dopamine blocker that can negate levodopa benefit and cause or worsen parkinsonism. Orthostatic hypotension may also be additive.
用白話說明這項交互作用的意義
Carbidopa-levodopa and Chlorpromazine 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.
Carbidopa-levodopa belongs to Central Nervous System; Chlorpromazine belongs to Central Nervous System.
為什麼會發生
Pharmacodynamic antagonism: D2 receptor blockade by chlorpromazine opposes levodopa.
處置方式
Avoid in Parkinson's disease and use an alternative such as low-dose quetiapine or clozapine. If unavoidable, monitor motor function and blood pressure.
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?
Carbidopa-levodopa 的其他交互作用
Chlorpromazine 的其他交互作用
常見問題
Can I take Carbidopa-levodopa with Chlorpromazine?
MediHelp rates the interaction as major. Carbidopa-levodopa and Chlorpromazine 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. Chlorpromazine is a potent dopamine blocker that can negate levodopa benefit and cause or worsen parkinsonism. Orthostatic hypotension may also be additive.
How serious is the interaction between Carbidopa-levodopa and Chlorpromazine?
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 in Parkinson's disease and use an alternative such as low-dose quetiapine or clozapine. If unavoidable, monitor motor function and blood pressure.
What other medicines interact with Carbidopa-levodopa?
MediHelp also lists interactions of Carbidopa-levodopa with, for example, Isocarboxazid, Phenelzine, Selegiline transdermal. The full list is on the Carbidopa-levodopa 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。
