相互作用
Cimetidine + Vitamin B12
重症度: 軽度
Cimetidine and Vitamin B12: minor interaction.
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。
概要
Cimetidine reduces gastric acid, which lowers release of B12 from food proteins and may lower absorption with long-term use. Absorption of crystalline oral B12 is less affected, so clinical deficiency is uncommon.
この相互作用をわかりやすく説明すると
Cimetidine and Vitamin B12 have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Cimetidine belongs to Gastrointestinal Tract; Vitamin B12 belongs to Gastrointestinal Tract.
なぜ起こるのか
Reduced gastric acid secretion impairs liberation of protein-bound dietary B12.
対処法
Monitor B12 status in long-term users, especially older adults or those with other risk factors. Supplement if levels are low.
薬剤師に尋ねること
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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、CimetidineとVitamin B12の臨床対応の詳細なアドバイス、追加の注記、エビデンスの詳細、処方全体を対象とした相互作用チェッカーを利用できます。
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
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Vitamin B12のその他の相互作用
Cimetidineのその他の相互作用
よくある質問
Can I take Cimetidine with Vitamin B12?
MediHelp rates the interaction as minor. Cimetidine and Vitamin B12 have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Cimetidine reduces gastric acid, which lowers release of B12 from food proteins and may lower absorption with long-term use. Absorption of crystalline oral B12 is less affected, so clinical deficiency is uncommon.
How serious is the interaction between Cimetidine and Vitamin B12?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor B12 status in long-term users, especially older adults or those with other risk factors. Supplement if levels are low.
What other medicines interact with Vitamin B12?
MediHelp also lists interactions of Vitamin B12 with, for example, Chloramphenicol, Dichlorphenamide, Metformin. The full list is on the Vitamin B12 page.
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。
