Skin infections sort by what causes them: bacteria, viruses, or fungi. Each group looks and acts in its own way. Pick a cause, then pick the condition.
The lesion
A simple picture of how each infection looks on the skin.
Pick a cause & condition.
Pick a causebacterial · viral · fungal
What it is
Why we care: a skin infection can spread into deeper tissue and into the blood, which is sepsis. The most common cause of skin infections is Staphylococcus, and that includes drug-resistant MRSA.