③从[[肛门]]排出气体。出《[[素问]]·咳论》。亦称[[矢气]]，俗称[[放屁]]、出虚恭。多见于[[脾虚]]饮食不化、肝胃气滞及[[伤寒]][[阳明腑实证]]。治宜[[健脾消食]]，和中[[行气]]，伤寒阳明腑实证可用承气汤下之。
[[分类:中医]]
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