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藥物交互作用

Cocaine + Phenylephrine

嚴重程度: 嚴重

Cocaine and Phenylephrine: major interaction.

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僅供醫療專業人員參考。本頁為簡要摘要,並非醫療建議,亦不能取代官方仿單或臨床判斷。開立處方或調劑前請務必核實。

本頁的臨床內容僅提供英文版。

摘要

Cocaine combined with phenylephrine can cause additive vasoconstriction and pressor effects, increasing the risk of severe hypertension, myocardial ischemia and arrhythmia.

用白話說明這項交互作用的意義

Cocaine and Phenylephrine 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.

Cocaine belongs to Central Nervous System; Phenylephrine belongs to Respiratory.

證據等級: Moderate

為什麼會發生

Additive sympathomimetic effects: cocaine reuptake blockade plus alpha-1 agonism.

處置方式

Avoid additional vasoconstrictors where possible. If unavoidable, use the lowest dose with prolonged ECG and blood pressure monitoring.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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解鎖完整頁面

建立帳號並開始 Pro+ 試用,即可解鎖 Cocaine 與 Phenylephrine 的完整臨床處置建議、補充說明、證據詳情及整張處方的交互作用檢查工具。

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

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常見問題

Can I take Cocaine with Phenylephrine?

MediHelp rates the interaction as major. Cocaine and Phenylephrine 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. Cocaine combined with phenylephrine can cause additive vasoconstriction and pressor effects, increasing the risk of severe hypertension, myocardial ischemia and arrhythmia.

How serious is the interaction between Cocaine and Phenylephrine?

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 additional vasoconstrictors where possible. If unavoidable, use the lowest dose with prolonged ECG and blood pressure monitoring.

What other medicines interact with Cocaine?

MediHelp also lists interactions of Cocaine with, for example, Isocarboxazid, Phenelzine, Procarbazine. The full list is on the Cocaine page.

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