WebJan 12, 2024 · Children 1–8 years of age: Initially, 17,500–35,000 units IM daily for 10 days, follow with 5000–10,000 units orally daily for 2 months. Children >8 years of age: 100,000 units IM daily for 3 days, then 50,000 units IM daily for 2 weeks. Follow with 10,000–20,000 units of vitamin A orally daily for 2 months. Web维A酸类的药物起效都比较慢,需要维持数周甚至数月,不要因为刚开始一过性的“爆痘”就停药。 总之,外用维A酸之前要“心里有数”,刺激反应和爆痘都只是暂时的,只要逐渐建立 …
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WebOct 4, 2024 · delayed growth. decreased appetite. confusion. itchy skin. Though less common than chronic vitamin A toxicity, acute vitamin A toxicity is associated with more severe symptoms, including liver ... Web维生素a是一种脂溶性维生素,有机化合物,化学式是c20h30o,对热、酸、碱稳定,易被氧化,紫外线可促进其氧化破坏。维生素a包括a1及a2,a1即视黄醇。维生素a2即3-脱氢视黄醇,其生理活性为维生素a1的40%。维生素a有促进生长、繁殖,维持骨骼、上皮组织、视力和粘膜上皮正常分泌等多种生理功能 ... governor\u0027s office of crime control
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