what are the causes of low sodium levels in the body?
Low sodium is caused by excess fluid in the body, according to MedicineNet. It may also be due to loss of sodium and body fluid, and it may be caused by kidney failure. Symptoms of low sodium include headache, seizures, confusion or unstable mental state. Continue Reading.
This class of drugs can cause excessive loss of sodium in the urine. Hormonal diseases such as Addison's disease or adrenal insufficiency and hypothyroidism may be associated with low sodium levels. Polydipsia, or excessive water intake, may cause water intoxication, diluting sodium levels.