最後更新:2026年10月1日
第IV型遲發性過敏反應,由T細胞介導,皮膚接觸過敏原後24-72小時出現症狀。常見過敏原包括金屬、植物、清潔劑及外用藥物。
貓較少見,可能因自我理毛減少接觸
常見於腹部、足部、臉部等接觸區域
這頁有幾個欄位是同系統共用的模板,還沒針對本疾病單獨改寫過。請以臨床判斷為準,記得對照下方文獻。
建議:維持量 LRS
類型:LRS
監測頻率:q1-2 週(免疫抑制初期)
[1]Genetic and Imaging Approaches Reveal Pro-Inflammatory and Immunoregulatory Roles of Mast Cells in Contact Hypersensitivity.
[2]Sustained learned immunosuppression could not prevent local allergic ear swelling in a rat model of contact hypersensitivity.
[3]Evaluation of 2-methoxy-4-nitroaniline (MNA) in hypersensitivity, 14-day subacute, reproductive, and genotoxicity studies.
[4]Oral Cadmium Intake Enhances Contact Allergen-induced Skin Reaction in Rats.
[5]Effects of 2'-3'-dihydroxy-4',6'-dimethoxychalcone derived from green perilla on auricle thickness in chronic contact dermatitis model mice.
[6]WSAVA Guidelines for the Vaccination of Dogs and Cats
建議數日內就診評估,非立即危及生命但不宜拖延 (evaluation within days recommended, not immediately life-threatening)
移除過敏原後預後極佳,通常1-2週改善。若持續接觸則易復發。
接觸性過敏反應 診斷流程
詳細問診包括發病經過、用藥史、飲食與環境
CBC、生化全套、尿液分析
來源:自動產生