Which of the following symptoms is commonly associated with hyponatremia?

Hyponatremia, which refers to a low concentration of sodium in the blood, can significantly impact neurological function due to the critical role sodium plays in maintaining the balance of fluids and transmitting electrical signals in the body. Behavioral problems such as confusion, irritability, and seizures can arise as a result of cerebral edema that occurs when sodium levels drop too low. The brain cells may swell, leading to increased intracranial pressure and various neurological symptoms that manifest as behavioral changes.

In contrast, the other symptoms listed are not typically associated with hyponatremia. Increased appetite, weight gain, and skin rash do not relate directly to the electrolyte imbalances seen in this condition. Thus, behavioral problems stand out as a hallmark of hyponatremia, highlighting the condition’s potential severity and its implications for patient management in critical care settings. Recognizing these symptoms is crucial for timely intervention and treatment.