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藥品參考

Vitamin B12

Vitamin B12 is a medicine in the class gastrointestinal tract. It is used for b12 deficiency.

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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。

重點資訊

藥物類別
Gastrointestinal Tract
常見劑型
錠劑, 膠囊
常見規格
500 mcg, 1 mg, 1 mg/ml
已知交互作用
25 (中度: 4 · 輕微: 21)
商品名
14
國家與市場
2

劑型、規格與商品名稱會因國家而異。請核對您手上的產品。

用途

作用方式

Coenzyme; metabolic functions include protein synthesis and carbohydrate metabolism, Plays role in cell replication and hematopoiesis

成人常用劑量(仿單摘要)

Nutritional Supplementation: >19 years: 2.4 mcg Pregnant women: 2.6 mcg Breastfeeding women: 2.8 mcg Dietary supplement: 50-6,000 mcg/day

僅摘錄仿單中第一行劑量說明;完整的劑量內容請見 App。

懷孕與哺乳

懷孕
Safe Vitamin B12 needs rise in pregnancy; recommended and treatment doses are not expected to cause birth defects or harm. Treat deficiency, which can affect the fetus.
哺乳
Safe Vitamin B12 is a normal part of milk; supplement and treatment doses do not expose the infant to excess. Mothers on vegan diets or with deficiency should take it, as deficiency can cause anaemia, poor growth and delayed development in the infant.

已通報的副作用

  • Headache
  • Nasopharyngitis
  • Dizziness
  • Arthralgia

哪些人需要特別留意

  • IM and SC route used to treat pernicious anemia; oral and intranasal not indicated until hematologic remission and no signs of nervous system involvement
  • Parenteral product may contain aluminum; toxic aluminum concentrations may occur with renal dysfunction, high doses, or prolonged use
  • Efficacy of intranasal administration in patients with nasal pathology or concomitant therapy has not been determined; use with caution

請告知藥師或醫師您是否懷孕或哺乳、是否患有腎臟或肝臟疾病、是否有過敏,以及您正在使用的所有其他藥物或保健品。

重要交互作用 (25)

All 25 interactions, with severity and what to do

Pro+ 會員專屬

解鎖完整頁面

建立帳號並開始 Pro+ 試用,即可開啟 Vitamin B12 的完整藥品專論:劑量、懷孕與哺乳、副作用、警示及所有交互作用。

  • Dosing by age, kidney and liver function, and further dose lines
  • Paediatric dosing
  • Patient counselling points
  • Food interactions

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同類別的其他藥品

相關快速閱讀

常見問題

What is Vitamin B12 used for?

Vitamin B12 is a medicine in the class gastrointestinal tract. It is used for B12 deficiency, Nutritional supplement, Pernicious anemia.

What side effects have been reported with Vitamin B12?

Headache, Nasopharyngitis, Dizziness, Arthralgia.

Can Vitamin B12 be taken in pregnancy or while breastfeeding?

Pregnancy: Safe. Vitamin B12 needs rise in pregnancy; recommended and treatment doses are not expected to cause birth defects or harm. Treat deficiency, which can affect the fetus. Breastfeeding: Safe. Vitamin B12 is a normal part of milk; supplement and treatment doses do not expose the infant to excess. Mothers on vegan diets or with deficiency should take it, as deficiency can cause anaemia, poor growth and delayed development in the infant.

What does Vitamin B12 interact with?

MediHelp lists 25 known interactions for Vitamin B12. Moderate: 4 · Minor: 21. The most serious include Chloramphenicol, Dichlorphenamide, Metformin.

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