Folliculitis - 毛囊炎https://en.wikipedia.org/wiki/Folliculitis
毛囊炎 (Folliculitis) 是毛囊的感染和炎症,可发生在任何有毛发覆盖的皮肤部位,常表现为丘疹。大多数毛囊炎由金黄色葡萄球菌引起。

大多数轻度病例可自行痊愈,首选治疗通常为外用药膏。常用局部抗生素包括莫匹罗星(mupirocin)或新霉素(neomycin)/多粘菌素 B(polymyxin B)/杆菌肽(bacitracin)软膏。必要时也可口服抗生素。真菌性毛囊炎(糠秕孢子菌毛囊炎)可能需要口服抗真菌药物。

治疗
用于痤疮的药物同样适用于毛囊炎。过氧化苯甲酰(benzoyl peroxide)和壬二酸(azelaic acid)可帮助控制毛囊炎病灶。对于部分化脓性病例,也可使用非处方抗生素软膏。
#Benzoyl peroxide [OXY-10]
#Adapalene gel [Differin]
#Polysporin
#Bacitracin
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  • 如果有一两个,通常只是痘痘
  • 如果皮肤突然出现多处病变,可尝试使用抗生素软膏。
  • 严重的形式
  • 常常表现为躯干上突然出现大量脓疱。
  • 躯干上突然出现痤疮样且不痒的皮疹。
  • 如此大的单一病变通常由金黄色葡萄球菌等细菌引起。您可以考虑使用抗生素治疗。
  • Acne vulgaris非常油性的皮肤。痤疮是一种发生在青春期的毛囊炎。
  • 脓肿如果切开引流,会愈合得更快。
References Folliculitis 31613534 
NIH
Folliculitis 是一种常见的皮肤病,毛囊受到感染或发炎,导致皮肤出现脓疱或红色肿块。它通常由细菌感染引起,但也可能由真菌、病毒或非感染因素导致。
Folliculitis is a common, generally benign, skin condition in which the hair follicle becomes infected/inflamed and forms a pustule or erythematous papule of overlying hair-covered skin. Most commonly, folliculitis is caused by bacterial infection of the superficial or deep hair follicle. However, this condition may also be caused by fungal species, viruses and can even be noninfectious in nature.
 Malassezia (Pityrosporum) Folliculitis 24688625 
NIH
Malassezia (Pityrosporum) folliculitis 是一种看起来像痤疮,但实际上由真菌引起的皮肤病。它常被误认为普通痤疮。虽然临床表现与痤疮相似,但常规的痤疮治疗往往不能彻底根除,且病程可持续数年。当皮肤中的某些酵母菌过度生长时,就会发生此病。免疫功能低下或使用抗生素等因素会使情况加重。典型表现为胸部、背部、手臂和面部出现红色肿块或丘疹。口服抗真菌药物疗效最佳,能够快速改善症状。有时需要同时针对真菌感染和痤疮进行治疗。
Malassezia (Pityrosporum) folliculitis is a fungal acneiform condition commonly misdiagnosed as acne vulgaris. Although often associated with common acne, this condition may persist for years without complete resolution with typical acne medications. Malassezia folliculitis results from overgrowth of yeast present in the normal cutaneous flora. Eruptions may be associated with conditions altering this flora, such as immunosuppression and antibiotic use. The most common presentation is monomorphic papules and pustules, often on the chest, back, posterior arms, and face. Oral antifungals are the most effective treatment and result in rapid improvement. The association with acne vulgaris may require combinations of both antifungal and acne medications.
 Special types of folliculitis which should be differentiated from acne 29484091 
NIH
本文介绍了需要与痤疮区分的多种毛囊炎,包括:superficial pustular folliculitis (SPF)、folliculitis barbae 和 sycosis barbae、perifolliculitis capitis abscedens et suffodiens、folliculitis keloidalis nuchae、actinic folliculitis、eosinophilic pustular folliculitis (EPF)、malassezia folliculitis 以及 epidermal growth factor receptor (EGFR) inhibitor‑induced papulopustular eruption。
In this article, we introduce several special types of folliculitis which should be differentiated from acne, including superficial pustular folliculitis(SPF), folliculitis barbae and sycosis barbae, perifolliculitis capitis abscedens et suffodiens, folliculitis keloidalis nuchae, actinic folliculitis, eosinophilic pustular folliculitis (EPF), malassezia folliculitis and epidermal growth factor receptor(EGFR) inhibitor-induced papulopustular eruption.