Table 2 Reaction history and characteristics of patients who underwent the virtually supervised oral amoxicillin challenge
From: Virtually supported penicillin allergy de-labelling during COVID-19
Reaction history and characteristics | Proportion of patients |
|---|---|
Symptoms concerning for cytopenia, serum sickness-like reactions, severe cutaneous adverse reactions | None |
Timing to reaction from first dose | |
 • Immediate (< 6 h) | 1 (4.3%) |
 • Delayed (> 24 h) | 16 (69.6) |
 • Unknown | 6 (26.1%) |
Cutaneous involvement onlya | 19 (83%) |
 • Generalized urticaria | 7 (30.4%) |
 • Non-urticarial exanthem | 11(47.8%) |
 • Angioedema | 1 (4.3%) |
 • Remote, unknown | 1 (4.3%) |
Index reaction prior to age 18 | 15 (65.2%) |
Time elapsed since index reaction | |
 • > 1 year | 21 (91.3%) |
 • < 1 year | 2 (8.7%) |