藥物交互作用
Amitriptyline + Trihexyphenidyl
嚴重程度: 中度
Amitriptyline and Trihexyphenidyl: moderate interaction.
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摘要
Both drugs have strong antimuscarinic activity, so combined use can cause dry mouth, constipation, urinary retention, blurred vision, confusion and tachycardia. Older patients and those with glaucoma or prostatic enlargement are especially vulnerable.
用白話說明這項交互作用的意義
Amitriptyline and Trihexyphenidyl can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Amitriptyline belongs to Central Nervous System; Trihexyphenidyl belongs to Central Nervous System.
為什麼會發生
Additive muscarinic receptor blockade.
處置方式
Monitor for anticholinergic toxicity, particularly confusion and urinary retention, and use the lowest effective doses. Consider an alternative antidepressant in elderly patients.
可向藥師詢問的問題
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
Amitriptyline 的其他交互作用
Trihexyphenidyl 的其他交互作用
常見問題
Can I take Amitriptyline with Trihexyphenidyl?
MediHelp rates the interaction as moderate. Amitriptyline and Trihexyphenidyl can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Both drugs have strong antimuscarinic activity, so combined use can cause dry mouth, constipation, urinary retention, blurred vision, confusion and tachycardia. Older patients and those with glaucoma or prostatic enlargement are especially vulnerable.
How serious is the interaction between Amitriptyline and Trihexyphenidyl?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for anticholinergic toxicity, particularly confusion and urinary retention, and use the lowest effective doses. Consider an alternative antidepressant in elderly patients.
What other medicines interact with Amitriptyline?
MediHelp also lists interactions of Amitriptyline with, for example, Isocarboxazid, Methylene blue, Phenelzine. The full list is on the Amitriptyline 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。
