口服给药是一种最常见的给药途径。口服药的理想用水是温开水。茶、碳酸型饮料、咖啡、牛奶、豆浆等最好不要用来送服药物。茶叶中含有近400种成分,主要有咖啡碱、鞣酸、多酚类等。茶和药物同时服用时,茶中的一些成分会和药物中的成分发生反应而使药物疗效降低。如大量鞣酸可对 Oral administration is one of the most common routes of administration. The ideal water for oral administration is warm boiled water. Tea, carbonated drinks, coffee, milk, soy milk, etc. are best not used to deliver drugs. Tea contains nearly 400 ingredients, mainly caffeine, tannic acid, polyphenols and so on. When tea and medicine are taken at the same time, some of the ingredients in the tea will react with the ingredients in the medicine and reduce the efficacy of the medicine. If a large amount of tannin can be