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藥物交互作用

Cholestyramine + Vitamin k1

嚴重程度: 中度

Cholestyramine and Vitamin k1: moderate 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

Long-term cholestyramine can reduce vitamin K absorption and lead to hypoprothrombinemia and increased bleeding tendency. The risk is greater in patients on anticoagulants or with malnutrition or liver disease.

用白話說明這項交互作用的意義

Cholestyramine and Vitamin k1 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.

Cholestyramine belongs to Cardiovascular; Vitamin k1 belongs to Cardiovascular.

證據等級: Moderate

為什麼會發生

Cholestyramine binds bile acids and impairs micelle formation, reducing absorption of fat-soluble vitamin K.

處置方式

Monitor INR or prothrombin time during prolonged cholestyramine therapy and supplement vitamin K if prolonged. Give vitamin K separately from the resin.

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?

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

Pro+ 會員專屬

解鎖完整頁面

建立帳號並開始 Pro+ 試用,即可解鎖 Cholestyramine 與 Vitamin k1 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 Cholestyramine with Vitamin k1?

MediHelp rates the interaction as moderate. Cholestyramine and Vitamin k1 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. Long-term cholestyramine can reduce vitamin K absorption and lead to hypoprothrombinemia and increased bleeding tendency. The risk is greater in patients on anticoagulants or with malnutrition or liver disease.

How serious is the interaction between Cholestyramine and Vitamin k1?

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 INR or prothrombin time during prolonged cholestyramine therapy and supplement vitamin K if prolonged. Give vitamin K separately from the resin.

What other medicines interact with Cholestyramine?

MediHelp also lists interactions of Cholestyramine with, for example, Cholic acid, Deferasirox, Leflunomide. The full list is on the Cholestyramine page.

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