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5 Facts you should know about

Stevens-Johnson syndrome/toxic epidermal necrolysis (SJS/TEN)



A rare and severe skin reaction to certain medications.


In the past Stevens-Johnson syndrome and toxic epidermal necrolysis

were thought to be two separate conditions, but are now considered part of a spectrums.


SJS is at the less severe

end of the spectrum, and TEN is at the more severe end.


It is considered SJS when skin detachment

involves less than 10% of the body surface, and TEN when skin detachment involves more than 30% of the body surface.


About 10 percent of people with Stevens-Johnson syndrome

die, while about 50 percent of patients with toxic epidermal necrolysis don’t survive.

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