功能性消化不良
功能性消化不良是一种上消化道感觉和运动的慢性紊乱,没有器质性病变。本病通常导致上消化道感觉增强(
内脏痛觉过敏),这是由于上消化道排空不畅,甚至无效,导致疼痛、饱胀和腹胀。其他常见的症状包括胃灼热,
口腔酸味,过度打嗝,恶心,有时呕吐。绝大多数本病患者会出现不止一种症状,这些症状有时可能自行消失,
有时症状会加重几个星期或几个月,然后在一段时间内完全减轻或消失。
临床症状:主要表现为餐后腹胀明显、疼痛、胃灼热、易饥饿、打嗝、恶心、胃排空延迟、进食少量食物即可引起
饱胀感、胃痛、口腔异味等症状。
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