Table 2.

Walker and Cohen criteria for diagnosis of drug-induced Sweet syndrome. All criteria must be met for diagnosis [33]

Criterion no.	Criteria
1	Abrupt onset of painful erythematous plaques or nodules
2	Histopathologic evidence of a dense neutrophilic infiltrate without evidence of leukocytoclastic vasculitis
3	Pyrexia > 38 °C
4	Temporal relationship between drug ingestion and clinical presentation or temporally related recurrence after oral challenge
5	Temporally related resolution of lesions after drug withdrawal or treatment with systemic corticosteroids