**1.1 Bacterial skin abscess**

The most common cause of abscess skin is *Staphylococcus aureus* (either methicillin or midwife to methicillin. *Staphylococcus aureus* aureus), occurring in up to 75% of cases; many patients infected with MRSA do not have risk factors [1–3]. It can be caused by skin abscess more than one pathogens [4]. The isolation of multiple objects (including *S. aureus* CT with Gram-negative bacilli and anaerobes) are more common in patients with skin abscess, which includes the surrounding areas of oral or anal or vaginal [5]. Organisms live by mouth, including anaerobic, you see most often among drug users by intravenous. Include unusual causes of skin abscess such as fungus pneumococcus and *Streptococcus*. Most cysts are caused by infection. However, it can occur in a sterile abscesses put irritants injected. Examples include (especially those drugs Injected that depend on oil), which may not be fully absorbed and remain at the injection site, causing local irritation. Cysts can be transformed into a sterile solid during solid lesions scars [5].
