Clinical Features

Hot, potentially dry skin [2][3][4]

Body temperature > 40°C (104°F)

Headache

Fatigue

Nausea, vomiting

Tachypnea

Tachycardia with normal blood pressure

Musculoskeletal features: tender, rigid, limp, or cramping muscles

Acute respiratory distress syndrome

Delirium, hallucinations

Loss of consciousness

Convulsions

Tremors