大便发黑是胃出血吗

来自吴寒医生的专业解答，快打开看看是否又获得了新的知识点～

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快速问医生

病情分析：大便黑并不一定是谓出血，但是未出血的患者有可能是会大便发黑的，但是除了消化道出血以外其他的原因也可能会引起大便发黑，首先是使用的一些动物的血，这样就可能出现这种情况，另外口服一些中成药或者是含有色素的药物，也可能会出现这种情况

吴寒

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