孕妇用中药也得分等级
孕期女性身体情况特殊，用药应更加慎重。美国食品和药品管理局（FDA）根据药物对胎儿的影响，将妊娠期间用药分成了A、B、C、D、X五个等级，其中A级最安全，X级孕妇禁用。
以往这种分级多针对西药，但随着近年来大家对中药安全性的关注，我们提倡孕妇用中成药也应当分等级处理。
目前，临床上可将对妊娠有影响的中药分为禁用、忌用和慎用三个等级。其中，剧毒药物或可能造成流产的药物属于“绝对禁止”的范围，如川乌、草乌以及含类似成分的云南白药等。
忌用比禁用的要求低，主要是指不良反应较为明确但发生的可能性较大，达到不宜使用程度的药物。这些药应尽量避免在孕期用，确实需要用时，应先进行临床评 估，如含有大黄、三七、麻黄和细辛的人参再造丸以及含有牛黄、石膏、桔梗和冰片的牛黄解毒片等，在孕期用时应充分考虑利弊。
孕期慎用的药物主要是活血化淤、祛风、行气、清热解毒等功能的药物，如红花、活络膏等，孕妇应在医生指导下谨慎使用。
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