Table 3. Severe blistering cutaneous adverse drug reactions and Mycoplasma pneumoniae–induced rash and mucositis.

	SJS	SJS-TEN overlap	TEN
Body surface area affected	<10%	10–30%	>30%
	MIRM (usually <10% but can be more extensive)

MIRM, Mycoplasma pneumoniae–induced rash and mucositis; SJS, Stevens–Johnson syndrome; TEN, toxic epidermal necrolysis.