Table 1.

Consensus classification of the SJS/TENS spectrum 22

SJS	Detachment less than 10% TBSA with widespread erythematous or purpuric macules or flat atypical targets.
Overlap SJS-TEN	Detachment 10–30% TBSA with widespreal purpuric macules or flat atypical targets.
TEN with spots	Detachment of greater than 30% TBSA with widespread purpuric macules or flat atypical targets.
TEN without spots	Detachment of greater than 10% TBSA with large epidermal sheets and without purpuric macules or targets.