Version July 2025
| Symptom | Degree 1 | Degree 2 | Degree 3 | Degree 4 |
| Nausea | Mild | Moderate | Intense | Excruciating |
| Vomiting | Once/day | 2 to 5 times/day | 6 to 10/day | >10/day |
| Anorexia | Able to eat | Decreased intake | Minimal intake | Parenteral nutrition needed |
| Fatigue | Able to work | Work impaired | Assistance for ADL | Cannot do ADL |
| Temp (°C) | <38 | 38 to 40 | >40 for <24 hours | >40 for >24 hours |
| Headache | Minimal | Moderate | Intense | Excruciating |
| BP (mmHg) | >100/70 | <100/70 | <90/60 | <80 systolic |
| Neurologic deficits* | Barely detected | Easily detected | Prominent | Life-threatening LOC |
| Cognitive deficits¶ | Minor loss | Moderate loss | Major impairment | Complete impairment |
ADL: activities of daily living; BP: blood pressure; LOC: loss of consciousness; Temp: temperature.
* Reflexes (including corneal), papilledema, seizures, ataxia, other motor and sensory signs.
¶ Impaired memory, reasoning, or judgement.