Severity grading of worst reaction before referral
| Reaction grade | Clinical features |
|---|---|
| ‘/’ = and/or. | |
| 1. Mild | Localised cutaneous erythema/urticaria/angioedema/oral pruritus |
| 2. Mild | Generalised erythema/urticaria/angioedema |
| 3. Mild | At least 1 or 2 plus gastrointestinal symptoms/rhinoconjunctivitis |
| 4. Moderate | Mild laryngeal oedema (voice change/tightening of throat)/mild asthma |
| 5. Severe | Marked dyspnoea/hypotensive symptoms (collapse/loss of consciousness) |