Grade 1—mild | Grade 2—moderate | Grade 3—severe | Grade 4—life-threatening | Grade 5—death | |
---|---|---|---|---|---|
Intensity | Transient or mild discomfort (˂48 h) | Mild to moderate limitation in activity | Marked limitation in activity | Extreme limitation in activity | |
Assistance | No | May be needed | Usually required Parenteral medication(s) are usually indicated | Significant assistance required | |
Medical Intervention/Therapy Required | No or minimal | No or minimal | Required | Required | |
Hospitalization | No | Possible | Possible | Probable | |
May include these symptoms | Pruritus Swelling Rash Abdominal discomfort Other transient symptoms | Persistent hives Wheezing without dyspnea Abdominal discomfort/increased vomiting Other symptoms | Bronchospasm with dyspnea Severe abdominal pain Throat tightness with hoarseness Transient hypotension Other symptoms | Persistent hypotension and/or hypoxia Decreased level of consciousness Associated with collapse and/or incontinence Other life-threatening symptoms |