Two pediatric cases of influenza B-induced rash and mucositis: Stevens-Johnson syndrome or expansion of the Mycoplasma pneumoniae-induced rash with mucositis (MIRM) spectrum?

We present two pediatric cases of recurrent mucositis associated with influenza B infection, both in patients with prior episodes of Stevens-Johnson syndrome (SJS) due to Mycoplasma. Influenza B is an uncommon cause of both rash and mucosistis and SJS.