皮质甾类药物(Steroid)由于其抗炎、抗过敏及代谢作用,常被用于治疗多种疾病。但长期应用此类药物常引起各种副作用,其中之一就是压抑了炎症反应。此现象能导致严重的自发性感染。此种感染当发生在口腔时,其诊断和处理就很困难。本文提供一例报告如下: Steroid is often used to treat many diseases due to its anti-inflammatory, anti-allergic and metabolic effects. However, long-term use of such drugs often cause a variety of side effects, one of which is to suppress the inflammatory response. This phenomenon can lead to severe spontaneous infections. When this infection occurs in the mouth, its diagnosis and treatment is very difficult. This article provides a case report as follows: