痤疮患者口服抗革兰阳性细菌的抗生素可导致不同的痤疮样皮疹。1968年 Fulton 等根据感染的细菌将此种皮疹命名为“革兰阴性毛囊炎”。由于皮肤的正常菌丛发生改变,导致耐药的革兰阴性菌株的生长增加。这些细菌是引起皮肤感染的原因。本文报道1例痤疮患者,其临床症状类似于革兰阴性毛囊炎,致病菌是凝固酶阴性葡萄球菌。患者22 Oral antibiotics that cause gram-positive bacteria in acne patients can lead to different acne-like rashes. In 1968, Fulton and others named the rash “Gram-negative folliculitis” according to the infected bacteria. As the normal flora of the skin changes, leading to the growth of resistant Gram-negative strains. These bacteria are the cause of skin infections. This article reports a case of acne patients, the clinical symptoms similar to Gram-negative folliculitis, pathogens are coagulase-negative Staphylococcus aureus. Patient 22