Abbreviations:
SCARs: Severe cutaneous adverse reactions
PT: Patch testing
DT: Intradermal testing
AGEP: Acute generalised exanthematous pustulosis
DRESS: Drug reaction with eosinophilia and systemic symptoms
SJS: Steven-Johnson syndrome
TENs: Toxic epidermal necrolysis
ELISpot: Enzyme linked immunospot
SFU: Spot forming units
TRM: Tissue resident memory CD8+ T cells
GBFDE: IFN: BFC: PBMC: Generalised Bullous Fixed Drug Eruption Interferon Blister fluid cells Peripheral blood mononuclear cells