猫癣（皮肤真菌病）：识别、隔离与环境消毒全流程
2026/10/3· 约 6 分钟读完· 29 个要点
猫癣会传染人，也是最常见被误判的皮肤病。这篇按世界兽医皮肤病学会（WAVD）共识与 ABCD 指南，讲清确诊方式、系统+局部联合治疗、环境消毒配比，以及"什么时候才算真的治好"。
一、猫癣到底是什么
猫癣不是"虫子"，而是皮肤真菌感染，以犬小孢子菌（Microsporum canis）最常见。它侵入的是含有角蛋白的组织（毛发、毛囊、爪、皮肤表层），所以病灶处毛发会变脆、折断、形成圆形脱毛斑，常伴细碎皮屑，瘙痒程度个体差异很大（有的几乎不痒）。
关键风险：可传给人和其他宠物。 环境中脱落的毛发与皮屑携带的孢子可长期存活，这是它最难缠的地方。
三、治疗：系统用药 + 局部处理，缺一不可
WAVD 临床共识指南明确：猫癣需要全身（口服）抗真菌治疗，并配合局部治疗[1]；只靠外用药膏/喷剂，复发率与传染期都会拉长。
- 全身治疗：口服抗真菌药（如伊曲康唑类等），剂量与疗程由兽医按体重与病情决定；不要自行给宠物吃人用的抗真菌药。
科研依据与原文（可直接查看）
下列每条都是本文引用的同行评议文献，本站已把原文摘要抓下来，点「展开原文摘要」即可在站内阅读； 需要看全文时可点 PubMed / Europe PMC / DOI 任一入口（多条备选，避免单点打不开）。
- 1
Diagnosis and treatment of dermatophytosis in dogs and cats.: Clinical Consensus Guidelines of the World Association for Veterinary Dermatology
Moriello KA, Coyner K, Paterson S, Mignon B 等 · Veterinary dermatology · 2017
👉 WAVD 共识：需全身抗真菌+局部处理，并以培养复查判愈。
展开原文摘要（英文，1743 字）
Dermatophytosis is a superficial fungal skin disease of cats and dogs. The most common pathogens of small animals belong to the genera Microsporum and Trichophyton. It is an important skin disease because it is contagious, infectious and can be transmitted to people. The objective of this document is to review the existing literature and provide consensus recommendations for veterinary clinicians and lay people on the diagnosis and treatment of dermatophytosis in cats and dogs. The authors served as a Guideline Panel (GP) and reviewed the literature available prior to September 2016. The GP prepared a detailed literature review and made recommendations on selected topics. The World Association of Veterinary Dermatology (WAVD) provided guidance and oversight for this process. A draft of the document was presented at the 8th World Congress of Veterinary Dermatology (May 2016) and was then made available via the World Wide Web to the member organizations of the WAVD for a period of three months. Comments were solicited and posted to the GP electronically. Responses were incorporated by the GP into the final document. No one diagnostic test was identified as the gold standard. Successful treatment requires concurrent use of systemic oral antifungals and topical disinfection of the hair coat. Wood's lamp and direct examinations have good positive and negative predictability, systemic antifungal drugs have a wide margin of safety and physical cleaning is most important for decontamination of the exposed environments. Finally, serious complications of animal-human transmission are exceedingly rare. © 2017 The Authors. Veterinary Dermatology published by John Wiley & Sons Ltd on behalf of the ESVD and ACVD.
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