肛门黑色的正常的吗

来自高彦江医生的专业解答，快打开看看是否又获得了新的知识点～

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信用信息平台

病情分析：一般属于正常现象，具体情况根据患者临床症状来决定，肛门黑色一般是色素沉着，青春期之后体内会出现激素变化，从而会造成皮肤变黑。对于容易摩擦或者是褶皱部位容易出现黑色素沉着，也不排除是年龄增大所导致。对于患者存在血栓性外痔疾病时，也会造成肛周皮肤变黑，存在异常症状时及时找到原发病因之后能够治疗。

高彦江

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提示：本内容仅作参考，不能代替面诊，如有不适请尽快线下就医

问题描述：这两天我出现了大便异常的现象，去医院检查时，医生说出现了肛门是黑色，肛门黑色的正常的吗？