Depth | Appearance | Sensation | Healing time |
Superficial (epidermal) | Dry, red Blanches with pressure | Painful | 3 to 6 days |
Superficial partial-thickness | Blisters Moist, red, weeping Blanches with pressure | Painful to temperature and air and touch | 7 to 21 days |
Deep partial-thickness | Blisters (easily unroofed) Wet or waxy dry Variable color (patchy to cheesy white to red) Blanching with pressure may be sluggish | Painful to pressure only | >21 days, usually requires surgical treatment |
Full-thickness | Waxy white to leathery gray to charred and black Dry and inelastic No blanching with pressure | Deep pressure only | Rare, unless surgically treated |
Deeper injury (ie, fourth degree) | Extends into fascia and/or muscle | Deep pressure | Never, unless surgically treated |
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