在诸多的药物剂型中,以口服剂与注射剂最为常用。但这两种剂型也存在着一些缺点。如前者通过消化道吸收药物,易受胃液与消化酶及食物等于扰,有些药物还对胃肠粘膜有刺激性,会产生不良反应。后者需要一定的技术与设备,使用起来很不方便,且有疼痛。于是,一种号称为第三代剂型的贴剂便应运而生了。 In many pharmaceutical dosage forms, the most commonly used oral and injection. However, these two formulations also have some disadvantages. As the former through the digestive tract to absorb drugs, susceptible to gastric juice and digestive enzymes and food equal disturbance, some drugs also gastrointestinal mucosa irritation, will have adverse reactions. The latter requires a certain amount of technology and equipment and is very inconvenient to use and painful. As a result, a known as the third generation of the patch formulations came into being.