医薬品リファレンス
Vitamin B12
Vitamin B12 is a medicine in the class gastrointestinal tract. It is used for b12 deficiency.
- 薬効分類: Gastrointestinal Tract
- 効能・効果: b12 deficiency
最終更新日
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このページの臨床コンテンツは英語でのみ提供されています。
要点
- 薬効分類
- Gastrointestinal Tract
- 一般的な剤形
- 錠剤, カプセル剤
- 一般的な規格
- 500 mcg, 1 mg, 1 mg/ml
- 既知の相互作用
- 25 (中等度: 4 · 軽度: 21)
- 商品名
- 14
- 国・市場
- 2
何に使われるか
作用のしくみ
Coenzyme; metabolic functions include protein synthesis and carbohydrate metabolism, Plays role in cell replication and hematopoiesis
成人の通常用量（添付文書の要約）
Nutritional Supplementation: >19 years: 2.4 mcg Pregnant women: 2.6 mcg Breastfeeding women: 2.8 mcg Dietary supplement: 50-6,000 mcg/day
妊娠と授乳
- 妊娠
- 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.
- 授乳
- 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.
報告されている副作用
- Headache
- Nasopharyngitis
- Dizziness
- Arthralgia
注意が必要な方
- 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
妊娠中または授乳中であること、腎臓や肝臓の病気、アレルギー、ほかに使用しているすべての薬やサプリメントについて、薬剤師または医師にお伝えください。
主な相互作用 (25)
- Chloramphenicol + Vitamin B12 Moderate
- Dichlorphenamide + Vitamin B12 Moderate
- Metformin + Vitamin B12 Moderate
- Neomycin po + Vitamin B12 Moderate
- Aspirin + Vitamin B12 Minor
- Aspirin / citric acid / sodium bicarbonate + Vitamin B12 Minor
- Bazedoxifene / conjugated estrogens + Vitamin B12 Minor
- Carbamazepine + Vitamin B12 Minor
- Choline magnesium trisalicylate + Vitamin B12 Minor
- Cimetidine + Vitamin B12 Minor
Pro+会員向け
ページ全体を見る
アカウントを作成してPro+トライアルを始めると、Vitamin B12の完全なモノグラフ（用量、妊娠・授乳、副作用、警告、すべての相互作用）を表示できます。
- Dosing by age, kidney and liver function, and further dose lines
- Paediatric dosing
- Patient counselling points
- Food interactions
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よくある質問
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.
完全なモノグラフ、用量、相互作用チェッカーはMediHelpアプリで
MediHelpアプリで、完全なリファレンスを開き、複数薬剤の相互作用をチェックし、用量ツールを利用できます。
