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Revision as of 03:30, 5 March 2019
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| Type | Layers involved | Appearance | Texture | Sensation | Healing Time | Prognosis | Example |
|---|---|---|---|---|---|---|---|
| Superficial (1st-degree) | Epidermis | Erythema without blisters | Dry | Painful | 5–10 days | Heals well. | 
|
| Superficial partial thickness (2nd-degree) | Extends into superficial (papillary) dermis | Redness with clear blister. Blanches with pressure. | Moist | Very painful | 2–3 weeks | Local infection (cellulitis) but no scarring typically |
|
| Deep partial thickness (2nd-degree) | Extends into deep (reticular) dermis | Yellow or white. Less blanching. May be blistering. | Fairly dry | Pressure and discomfort | 3–8 weeks | Scarring, contractures (may require excision and skin grafting) | 
|
| Full thickness (3rd-degree) | Extends through entire dermis | Stiff and white/brown. No blanching. | Leathery | Painless | Prolonged (months) and incomplete | Scarring, contractures, amputation (early excision recommended) | 
|
| 4th-degree | Extends through entire skin, and into underlying fat, muscle and bone | Black; charred with eschar | Dry | Painless | Requires excision | Amputation, significant functional impairment and in some cases, death. | 
|
