Table 3: Registry of severe cutaneous adverse reaction diagnosis score for DRESS:
Features No Yes Unknown
-Fever >38.5 °C -1 0 -1 - Enlarged lymph nodes (>2 sites, >1cm) 0 1 0 -Atypical lymphocytes 0 1 0 -Eosinophilia 700-1499 or 10%-19,9% 0 1 ≥ 1500 or ≥20% 2 -Skin rash Extent ≥50% 0 1 At least2: Edema, infiltration, purpura, scaling -1 1 Biopsy suggesting DRESS -1 0 -Internal organ involvement One 0 1 0 Two or more 2 -Resolution in ≥ 15 days -1 0 -1 -Evaluation of other potential causes (antinuclear antibody, blood culture, serology for HAV /HBV / HVC, chlamydia / 0 1 0 mycoplasma) If none of these positive and >3 are negative Final score<2: No case, Final score 2-3: possible case, Final score 4-5: possible case, and final score >5: definite case.