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Symptoms and signs of hypo- and hypernatremia
| Moderate | Severe | |
|---|---|---|
| Hyponatremia | Lethargy | Drowsiness/Confusion |
| Nausea/Vomiting | Depressed Reflexes | |
| Irritability | Seizures | |
| Headache | Coma | |
| Muscle Weakness/Cramps | Death | |
| Hypernatremia | Lethargy | Hyperreflexia |
| Thirst | Ataxia | |
| Irritability | Seizures | |
| Coma |
