Bacterial infections
Framing
- Cutaneous bacterial infection spans superficial (impetigo, folliculitis) to deeper soft tissue involvement (cellulitis, abscess) - depth and the causative organism (predominantly Staphylococcus aureus and Streptococcus pyogenes) determine clinical appearance, complication risk, and treatment approach
- Distinguishing a discrete, drainable collection (abscess) from diffuse spreading infection (cellulitis) is the central management fork, since abscess requires drainage as the primary intervention while cellulitis is managed with antibiotics alone
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