134.2 📚 國考版

134.2.0.1 必背 — Cellulitis 經驗治療

• Mild: Cephalexin (no MRSA) OR TMP-SMX/Doxy (MRSA)
• Severe: IV Vancomycin + Cefepime/Pip-tazo

134.2.0.2 必背 — Necrotizing Fasciitis Empirical

Vanco + Pip-tazo + Clindamycin

• Vibrio (coastal, liver disease): + Doxy + Ceftri
• Clostridium (gas gangrene): high-dose Penicillin G + Clindamycin

134.2.0.3 必背 — Vibrio vulnificus

• 海水接觸 (oysters, seafood, beach), 肝病/血色素沉著症
• 嚴重 sepsis + bullous lesions
• Doxy + Ceftriaxone (or quinolone + 3rd gen ceph)

134.2.0.4 必背 — Erysipelas vs Cellulitis

• Erysipelas: sharply demarcated, raised, GAS
• Cellulitis: poorly demarcated, GAS or S. aureus

134.2.0.5 必背 — Abscess

• I&D mainstay
• Add antibiotic if > 2cm, immune-compromised, surrounding cellulitis

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