藥物交互作用
Orphenadrin + Trihexyphenidyl
嚴重程度: 嚴重
Orphenadrin and Trihexyphenidyl: major interaction.
最後更新
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摘要
Both are potent anticholinergics, so together they can produce excessive anticholinergic effects. Risks include confusion, hallucinations, urinary retention, constipation, hyperthermia and tachycardia.
用白話說明這項交互作用的意義
Orphenadrin and Trihexyphenidyl 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.
Orphenadrin belongs to Musculoskeletal; Trihexyphenidyl belongs to Central Nervous System.
為什麼會發生
Additive muscarinic receptor antagonism.
處置方式
Avoid using both where possible, particularly in older adults. If necessary, use the lowest doses and monitor for anticholinergic toxicity.
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?
Orphenadrin 的其他交互作用
Trihexyphenidyl 的其他交互作用
常見問題
Can I take Orphenadrin with Trihexyphenidyl?
MediHelp rates the interaction as major. Orphenadrin and Trihexyphenidyl 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. Both are potent anticholinergics, so together they can produce excessive anticholinergic effects. Risks include confusion, hallucinations, urinary retention, constipation, hyperthermia and tachycardia.
How serious is the interaction between Orphenadrin and Trihexyphenidyl?
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 using both where possible, particularly in older adults. If necessary, use the lowest doses and monitor for anticholinergic toxicity.
What other medicines interact with Orphenadrin?
MediHelp also lists interactions of Orphenadrin with, for example, Alfentanil, Amobarbital, Benzhydrocodone / acetaminophen. The full list is on the Orphenadrin 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。
