Health encyclopaedia 健康百科全书

Health encyclopaedia - Alphabetical Topic List健康百科全书-按字母顺序排列的主题清单

Causes of Nosebleed鼻出血的原因

The bleeding usually comes from the lower septum (wall between the two nose channels) just inside the nose.出血通常来自较低的隔（墙两国之间的鼻子渠道）内牵着鼻子走。 Sometimes called Little’s area, this part of the nose has a lot of delicate blood vessels that are easily damaged.有时被称为littleâ € ™ s区，这部分的鼻子有很多微妙的血管很容易损坏。

If the bleeding is heavy and coming from further back and higher up in the nose, you may need medical attention.如果出血是沉重的和未来的进一步回和高在鼻子，您可能需要的医疗照顾。

The main causes of nosebleeds are:主要的原因，鼻出血是：

• picking the nose;采摘的鼻子;
• blowing the nose very hard;吹鼻子很难;
• a minor injury to the nose;轻微损伤的鼻子;
• a cold or flu (influenza);患感冒或流感（流行性感冒） ;
• a blocked, stuffy or dry nose, often caused by an infection;一封锁，混浊或干燥的鼻子，常常造成感染;
• hayfever or other allergies; hayfever或其他过敏;
• high altitude;高海拔;
• excessive use of nasal decongestants; and过度使用鼻解;
• excessive use of cocaine.过度使用可卡因。

Other possible factors may include:其他可能的因素可能包括：

• recent nasal surgery;最近的鼻腔外科手术;
• high, or raised, blood pressure;高，或提出的，血液的压力;
• conditions such as heart failure, vein abnormalities, leukaemia or haemophilia;条件，如心脏衰竭，静脉畸形，白血病或血友病;
• blood clotting abnormalities (this could be hereditary);凝血异常（这可能是遗传性） ;
• certain drugs such as aspirin, medicines for arthritis, and anticoagulants (that stop blood clotting in other parts of the body);某些药物，如阿司匹林，药品为关节炎，抗凝血剂（即阻止血液凝结成块状，在身体其他部位） ;
• being exposed to irritating chemicals; and接触到刺激性的化学品;
• a tumour in the nasal cavity.一个肿瘤在鼻腔。

• Nappy rash 尿布红疹 Narcolepsy 嗜睡症 Natural family planning 自然计划生育 Nettle rash 荨麻疹 Neuralgia 神经痛 Neurofibromatosis 神经纤维瘤病 Nonspecific urethritis 非特异性尿道炎 Noonan syndrome 努南综合征 Nosebleed 鼻出血

  ---