水蛭又名马蛭、马蟥、马鳖。栖息在池沼、水田及水坑中,可因饮用不洁冷水进入人体而寄生于鼻腔,故鼻腔内水蛭寄生在我国南方屡有发现。治疗本病可以手术取出,亦可用青鱼胆干粉或食盐撒布在永蛏体表,使其致死而擤出。笔者最近遇到一例。报告如下:患者张××女 6岁。1976年11月18日以左侧鼻腔间断性出血两月为主诉到我院就诊。两月前始发生左鼻腔间断性出血,量不多,伴有经常性痒感及鼻塞。患病以来虽多次用1%麻黄索滴鼻和内服维生素 K 等止血药均未奏效。经洛 Leech also known as leeches, stirrup, horse turtle. Habitat in the ponds, paddy fields and puddles, can drink dirty water into the human body and parasitic in the nasal cavity, so the leech parasitic nasal often found in southern China. Treatment of the disease can be removed surgically, can also be used Herring Dan gall powder or salt sprinkled on the surface of the permanent body, so that it died. I recently encountered an example. The report is as follows: Patient Zhang × × female 6 years old. November 18, 1976 to the left nasal intermittent bleeding two months mainly complained to our hospital. Left nasal intermittent bleeding occurred two months ago, not much, with regular itching and nasal congestion. Although the disease has repeatedly with 1% ephedrine nasal drops and oral administration of vitamin K and other hemostatic drugs did not work. The Luo