Allergic-like
Urticaria, edema, bronchospasm, anaphylaxis
Mild
Mild allergic-like reaction
Limited urticaria / pruritus · Limited cutaneous edema
Moderate
Moderate allergic-like reaction
Diffuse urticaria / pruritus · Diffuse erythema with stable vital signs
Severe
Severe allergic-like reaction / anaphylaxis
Diffuse edema or facial edema with dyspnea · Diffuse erythema with hypotension