口腔溃疡是常见的口腔黏膜溃疡性损害。营养不良、口腔不洁以及机体免疫力减退等诱因,可使细菌易于入侵而发病,中老年人尤见多发此症。表现症状为口腔黏膜或唇、舌处出现淡黄色溃烂点,呈圆形或是椭圆形,如黄豆粒状大小,轻者溃疡浅表,重者溃疡凹陷较深,似一小坑;溃疡周围黏膜因充血而红晕;得病后时觉疼痛,有烧灼感,进食带有刺激性食物时更为明显。个别人可伴有淋巴结肿大、发热以及全身反应。 Oral ulcers are common oral mucosal ulcerative lesions. Malnutrition, dirty mouth and body immunity and other incentives, can make bacteria susceptible to invasion and disease, especially in middle-aged and elderly patients with multiple symptoms. The performance of the symptoms of oral mucosa or lip, tongue pale yellow ulceration point, was round or oval, such as granular size of soybean, light ulcer superficial, heavy ulcer deep depression, like a pit; ulcer around the mucosa Due to congestion and flush; get sick later feel pain, burning sensation, eating with irritating food is more obvious. Some individuals may be accompanied by lymphadenopathy, fever and systemic reactions.