Background: Chronic urticaria is a common cutaneous disorder induced by vasoactive mediators such as histamine released from mast cells.
背景：慢性荨麻疹是皮肤科常见疾病之一，由肥大细胞脱颗粒释放组胺等血管活性介质引起。
This antibody triggers the release of certain chemicals from cells in your nose such as histamine, resulting in an extreme inflammatory response and the associated allergic rhinitis symptoms.
这种抗体会触发某些化学物质的释放组胺，导致一个极端的炎症反应和相关的过敏性鼻炎的症状，如从你的鼻子的细胞。
Histamine released by these cells causes small blood vessels to dilate, giving rise to the well-known symptoms such as itching and swelling in the mouth, skin rash, itchy or runny nose or diarrhoea.
由这些细胞释放出的组胺导致小血管扩张，引起众所周知的症状，比如搔痒、口腔肿胀、皮疹、鼻子发痒或流鼻涕，或腹泻。
Histamine released by these cells causes small blood vessels to dilate, giving rise to the well-known symptoms such as itching and swelling in the mouth, skin rash, itchy or runny nose or diarrhoea.
由这些细胞释放出的组胺导致小血管扩张，引起众所周知的症状，比如搔痒、口腔肿胀、皮疹、鼻子发痒或流鼻涕，或腹泻。
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