藥品參考
Vitamin a
Vitamin a is a medicine in the class gastrointestinal tract. It is used for vitamin a deficiency.
- 藥物類別: Gastrointestinal Tract
- 用途: vitamin a deficiency
最後更新
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
- 凝膠, 膠囊, 錠劑, 注射劑
- 常見規格
- 000 iu, 1%, 10 g
- 已知交互作用
- 19 (嚴重: 4 · 中度: 5 · 輕微: 10)
- 商品名
- 14
- 國家與市場
- 3
用途
作用方式
Vitamin A supplementation plays a role in embryonic development, visual adaptation to darkness, immune function, and maintenance of epithelial cells
成人常用劑量（仿單摘要）
Upper Intake Levels: >18 years: 3000 mcg/day RAE (10,000 U), Pregnancy: 3000 mcg/day RAE (10,000 U), Lactation: 3000 mcg/day RAE (10,000 U)
懷孕與哺乳
- 懷孕
- Unsafe Normal intake (about 770 mcg, 2,600 IU daily) is needed. High doses are teratogenic, like isotretinoin: avoid supplements above 3,000 mcg (10,000 IU) daily and liver products. US injection label: amounts above the dietary allowance are contraindicated in pregnancy.
- 哺乳
- Safe Vitamin A is a normal part of milk; mothers need more (1,300 mcg daily). LactMed: single doses up to 400,000 IU or daily doses up to 5,000 IU are not expected to harm the infant; avoid daily doses above 10,000 IU.
已通報的副作用
- Facial dermatitis
- Stratum corneum fragility
- Conjunctivities
- Sticky skin
- Granuloma-like lesions in acne
- Dry mucus
哪些人需要特別留意
- Efficacy of large systemic doses of 100,000 to 300,000 units/day vitamin A for the treatment of acne not established
- Caution in renal impairment (toxicity reported)
- ED: Store at temperature between (2-8 degrees C). Store at temperature not exceeding 25 degrees C after opening.
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 (19)
- Acitretin + Vitamin a Major
- Etretinate + Vitamin a Major
- Isotretinoin + Vitamin a Major
- Palovarotene + Vitamin a Major
- Bexarotene + Vitamin a Moderate
- Minocycline + Vitamin a Moderate
- Mipomersen + Vitamin a Moderate
- Pexidartinib + Vitamin a Moderate
- Pretomanid + Vitamin a Moderate
- Beta carotene + Vitamin a Minor
同類別的其他藥品
常見問題
What is Vitamin a used for?
Vitamin a is a medicine in the class gastrointestinal tract. It is used for Vitamin a deficiency, Xerophthalmia.
What side effects have been reported with Vitamin a?
Facial dermatitis, Stratum corneum fragility, Conjunctivities, Sticky skin, Granuloma-like lesions in acne, Dry mucus.
Can Vitamin a be taken in pregnancy or while breastfeeding?
Pregnancy: Unsafe. Normal intake (about 770 mcg, 2,600 IU daily) is needed. High doses are teratogenic, like isotretinoin: avoid supplements above 3,000 mcg (10,000 IU) daily and liver products. US injection label: amounts above the dietary allowance are contraindicated in pregnancy. Breastfeeding: Safe. Vitamin A is a normal part of milk; mothers need more (1,300 mcg daily). LactMed: single doses up to 400,000 IU or daily doses up to 5,000 IU are not expected to harm the infant; avoid daily doses above 10,000 IU.
What does Vitamin a interact with?
MediHelp lists 19 known interactions for Vitamin a. Major: 4 · Moderate: 5 · Minor: 10. The most serious include Acitretin, Etretinate, Isotretinoin.
在 MediHelp App 中取得完整藥品專論、劑量資訊與交互作用檢查
在 MediHelp App 中開啟完整參考資料、檢查多種藥物間的交互作用，並使用劑量工具。
