From: Prevalence of beta-lactam allergy: a retrospective chart review of drug allergy assessment in a predominantly pediatric population
Consensus allergy
Number
Percent (%)
CI95 (%)
Type 1
2
0.7
0–2.6
Type 2
0
–
Type 3 (serum sickness)
5
1.6
0.5–3.9
Type 4 (mild)
4
1.3
0.3–3.5
Type 4 (SJS)
1
0.3
0–2.1